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class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>History</span> </div> </a> <ul id="toc-History-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Major_intersections" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Major_intersections"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Major intersections</span> </div> </a> <ul id="toc-Major_intersections-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Auxiliary_routes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Auxiliary_routes"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Auxiliary routes</span> </div> </a> <ul id="toc-Auxiliary_routes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" 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Available in 18 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-18" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">18 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – German" lang="de" hreflang="de" data-title="Interstate 81" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Interestatal_81" title="Interestatal 81 – Spanish" lang="es" hreflang="es" data-title="Interestatal 81" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – Basque" lang="eu" hreflang="eu" data-title="Interstate 81" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A8%D8%B2%D8%B1%DA%AF%D8%B1%D8%A7%D9%87_%D9%85%DB%8C%D8%A7%D9%86%E2%80%8C%D8%A7%DB%8C%D8%A7%D9%84%D8%AA%DB%8C_%DB%B8%DB%B1" title="بزرگراه میان‌ایالتی ۸۱ – Persian" lang="fa" hreflang="fa" data-title="بزرگراه میان‌ایالتی ۸۱" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – French" lang="fr" hreflang="fr" data-title="Interstate 81" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Interestatal_81" title="Interestatal 81 – Galician" lang="gl" hreflang="gl" data-title="Interestatal 81" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A3%BC%EA%B0%84%EA%B3%A0%EC%86%8D%EB%8F%84%EB%A1%9C_%EC%A0%9C81%ED%98%B8%EC%84%A0" title="주간고속도로 제81호선 – Korean" lang="ko" hreflang="ko" data-title="주간고속도로 제81호선" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – Italian" lang="it" hreflang="it" data-title="Interstate 81" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Interstatal_81" title="Interstatal 81 – Lombard" lang="lmo" hreflang="lmo" data-title="Interstatal 81" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – Dutch" lang="nl" hreflang="nl" data-title="Interstate 81" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%B7%9E%E9%96%93%E9%AB%98%E9%80%9F%E9%81%93%E8%B7%AF81%E5%8F%B7%E7%B7%9A" title="州間高速道路81号線 – Japanese" lang="ja" hreflang="ja" data-title="州間高速道路81号線" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – Portuguese" lang="pt" hreflang="pt" data-title="Interstate 81" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/I-81" title="I-81 – Russian" lang="ru" hreflang="ru" data-title="I-81" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – Simple English" lang="en-simple" hreflang="en-simple" data-title="Interstate 81" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – Swedish" lang="sv" hreflang="sv" data-title="Interstate 81" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Interstate_81" title="Interstate 81 – Turkish" lang="tr" hreflang="tr" data-title="Interstate 81" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Xa_l%E1%BB%99_Li%C3%AAn_ti%E1%BB%83u_bang_81" title="Xa lộ Liên tiểu bang 81 – Vietnamese" lang="vi" hreflang="vi" data-title="Xa lộ Liên tiểu bang 81" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/81%E8%99%9F%E5%B7%9E%E9%9A%9B%E5%85%AC%E8%B7%AF" title="81號州際公路 – Chinese" lang="zh" hreflang="zh" data-title="81號州際公路" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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noprint searchaux" style="display:none">Interstate Highway through Appalachian Mountains</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist 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.header-NOR{background:#f2a900}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above"><div style="text-align:center;"><div style="margin:0.1em 0 0 0;"></div><div style="margin:0 0 0.1em;"><span typeof="mw:File"><a href="/wiki/File:I-81.svg" class="mw-file-description"><img alt="Interstate 81 marker" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/I-81.svg/72px-I-81.svg.png" decoding="async" width="72" height="72" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/I-81.svg/108px-I-81.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7b/I-81.svg/144px-I-81.svg.png 2x" data-file-width="601" data-file-height="601" /></a></span></div><div style="margin:0.1em;">Interstate 81</div></div></th></tr><tr><td colspan="2" class="infobox-image"><div style="white-space:nowrap;"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 290px; height: 290px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="290" data-height="290" data-overlays="["_f681f042db79147029479a64145db3676c0cc35f"]"><img src="https://maps.wikimedia.org/img/osm-intl,a,a,a,290x290.png?lang=en&domain=en.wikipedia.org&title=Interstate_81&revid=1275384865&groups=_f681f042db79147029479a64145db3676c0cc35f" width="290" height="290" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,a,a,a,290x290@2x.png?lang=en&domain=en.wikipedia.org&title=Interstate_81&revid=1275384865&groups=_f681f042db79147029479a64145db3676c0cc35f 2x" alt="Map" /></a></div><div class="infobox-caption">I-81 highlighted in red</div></td></tr><tr><th colspan="2" class="infobox-header header-USA">Route information</th></tr><tr><th scope="row" class="infobox-label">Length</th><td class="infobox-data">855.02 mi<sup id="cite_ref-fhwa_1-0" class="reference"><a href="#cite_note-fhwa-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> (1,376.02 km)</td></tr><tr><th scope="row" class="infobox-label">Existed</th><td class="infobox-data plainlist">1957–present</td></tr><tr><th scope="row" class="infobox-label"><abbr title="National Highway System">NHS</abbr></th><td class="infobox-data plainlist">Entire route</td></tr><tr><th colspan="2" class="infobox-header header-USA"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546">Major junctions</th></tr><tr><th scope="row" class="infobox-label">South end</th><td class="infobox-data"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> in <a href="/wiki/Dandridge,_Tennessee" title="Dandridge, Tennessee">Dandridge, TN</a></td></tr><tr><th scope="row" class="infobox-label"><span style="display:none;">Major intersections</span></th><td class="infobox-data plainlist"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-26.svg/24px-I-26.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-26.svg/36px-I-26.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-26.svg/48px-I-26.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/US_23.svg/24px-US_23.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/US_23.svg/36px-US_23.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/US_23.svg/48px-US_23.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/Interstate_26_in_Tennessee" class="mw-redirect" title="Interstate 26 in Tennessee">I-26</a> / <a href="/wiki/U.S._Route_23_in_Tennessee" title="U.S. Route 23 in Tennessee">US 23</a> near <a href="/wiki/Kingsport,_Tennessee" title="Kingsport, Tennessee">Kingsport, TN</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/I-77.svg/24px-I-77.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/I-77.svg/36px-I-77.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/I-77.svg/48px-I-77.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_77_(Virginia)" class="mw-redirect" title="Interstate 77 (Virginia)">I-77</a> from <a href="/wiki/Wytheville,_Virginia" title="Wytheville, Virginia">Wytheville, VA</a> to <a href="/wiki/Fort_Chiswell,_Virginia" title="Fort Chiswell, Virginia">Fort Chiswell, VA</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/I-64.svg/24px-I-64.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/I-64.svg/36px-I-64.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c7/I-64.svg/48px-I-64.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_64_(Virginia)" class="mw-redirect" title="Interstate 64 (Virginia)">I-64</a> from <a href="/wiki/Lexington,_Virginia" title="Lexington, Virginia">Lexington, VA</a> to <a href="/wiki/Staunton,_Virginia" title="Staunton, Virginia">Staunton, VA</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/24px-I-70.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/36px-I-70.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/48px-I-70.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_70_in_Maryland" title="Interstate 70 in Maryland">I-70</a> at <a href="/wiki/Hagerstown,_Maryland" title="Hagerstown, Maryland">Hagerstown, MD</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/24px-US_11.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/36px-US_11.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/48px-US_11.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_11_in_Pennsylvania" title="U.S. Route 11 in Pennsylvania">US 11</a> in <a href="/wiki/Carlisle,_Pennsylvania" title="Carlisle, Pennsylvania">Carlisle, PA</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/I-83.svg/24px-I-83.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/I-83.svg/36px-I-83.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/I-83.svg/48px-I-83.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6e/US_22.svg/24px-US_22.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6e/US_22.svg/36px-US_22.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6e/US_22.svg/48px-US_22.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/30px-US_322.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/45px-US_322.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/60px-US_322.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/Interstate_83_(Pennsylvania)" class="mw-redirect" title="Interstate 83 (Pennsylvania)">I-83</a> / <a href="/wiki/U.S._Route_22_in_Pennsylvania" title="U.S. Route 22 in Pennsylvania">US 22</a> / <a href="/wiki/U.S._Route_322_in_Pennsylvania" title="U.S. Route 322 in Pennsylvania">US 322</a> in <a href="/wiki/Harrisburg,_Pennsylvania" title="Harrisburg, Pennsylvania">Harrisburg, PA</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/I-78.svg/24px-I-78.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/I-78.svg/36px-I-78.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/I-78.svg/48px-I-78.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_78_(Pennsylvania)" class="mw-redirect" title="Interstate 78 (Pennsylvania)">I-78</a> in <a href="/wiki/Union_Township,_Lebanon_County,_Pennsylvania" title="Union Township, Lebanon County, Pennsylvania">Union Township, PA</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-80.svg/24px-I-80.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-80.svg/36px-I-80.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-80.svg/48px-I-80.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_80_(Pennsylvania)" class="mw-redirect" title="Interstate 80 (Pennsylvania)">I-80</a> in <a href="/wiki/Drums,_Pennsylvania" title="Drums, Pennsylvania">Drums, PA</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/I-84.svg/24px-I-84.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/I-84.svg/36px-I-84.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/51/I-84.svg/48px-I-84.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/I-380.svg/30px-I-380.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/I-380.svg/45px-I-380.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/I-380.svg/60px-I-380.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/24px-US_6.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/36px-US_6.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/48px-US_6.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/Interstate_84_(Pennsylvania)" class="mw-redirect" title="Interstate 84 (Pennsylvania)">I-84</a> / <a href="/wiki/Interstate_380_(Pennsylvania)" title="Interstate 380 (Pennsylvania)">I-380</a> / <a href="/wiki/U.S._Route_6_in_Pennsylvania" title="U.S. Route 6 in Pennsylvania">US 6</a> in <a href="/wiki/Dunmore,_Pennsylvania" title="Dunmore, Pennsylvania">Dunmore, PA</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-86.svg/24px-I-86.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-86.svg/36px-I-86.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-86.svg/48px-I-86.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_86_(New_York)" class="mw-redirect" title="Interstate 86 (New York)">I-86</a> in <a href="/wiki/Binghamton,_New_York" title="Binghamton, New York">Binghamton, NY</a></li> <li><span style="display: inline-block; vertical-align: baseline; line-height: 0; text-align: center;"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Toll_plate_yellow.svg/24px-Toll_plate_yellow.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Toll_plate_yellow.svg/36px-Toll_plate_yellow.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Toll_plate_yellow.svg/48px-Toll_plate_yellow.svg.png 2x" data-file-width="601" data-file-height="301" /></span></span><br /><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/I-90.svg/24px-I-90.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/I-90.svg/36px-I-90.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/I-90.svg/48px-I-90.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/NYS_Thruway_Sign.svg/24px-NYS_Thruway_Sign.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/NYS_Thruway_Sign.svg/36px-NYS_Thruway_Sign.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/NYS_Thruway_Sign.svg/48px-NYS_Thruway_Sign.svg.png 2x" data-file-width="300" data-file-height="300" /></span></span> <a href="/wiki/Interstate_90_(New_York)" class="mw-redirect" title="Interstate 90 (New York)">I-90 Toll</a> / <a href="/wiki/New_York_State_Thruway" title="New York State Thruway">New York Thruway</a> near <a href="/wiki/Syracuse,_New_York" title="Syracuse, New York">Syracuse, NY</a></li></ul> </div></td></tr><tr><th scope="row" class="infobox-label">North end</th><td class="infobox-data"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ontario_137_crown.svg/24px-Ontario_137_crown.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ontario_137_crown.svg/36px-Ontario_137_crown.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ontario_137_crown.svg/48px-Ontario_137_crown.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Ontario_Highway_137" title="Ontario Highway 137">Highway 137</a> at the <a href="/wiki/Canada%E2%80%93United_States_border" title="Canada–United States border">Canadian border</a> on <a href="/wiki/Wellesley_Island" title="Wellesley Island">Wellesley Island, NY</a></td></tr><tr style="display:none"><th colspan="2"> </th></tr><tr><th colspan="2" class="infobox-header header-USA"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546">Location</th></tr><tr><th scope="row" class="infobox-label">Country</th><td class="infobox-data"><a href="/wiki/United_States" title="United States">United States</a></td></tr><tr><th scope="row" class="infobox-label">States</th><td class="infobox-data"><a href="/wiki/Tennessee" title="Tennessee">Tennessee</a>, <a href="/wiki/Virginia" title="Virginia">Virginia</a>, <a href="/wiki/West_Virginia" title="West Virginia">West Virginia</a>, <a href="/wiki/Maryland" title="Maryland">Maryland</a>, <a href="/wiki/Pennsylvania" title="Pennsylvania">Pennsylvania</a>, <a href="/wiki/New_York_(state)" title="New York (state)">New York</a></td></tr><tr style="display:none"><th colspan="2"> </th></tr><tr><th colspan="2" class="infobox-header header-USA">Highway system</th></tr><tr><td colspan="2" class="infobox-full-data hlist"> <ul><li><b><a href="/wiki/Interstate_Highway_System" title="Interstate Highway System">Interstate Highway System</a></b></li></ul> <ul><li><a href="/wiki/List_of_Interstate_Highways" title="List of Interstate Highways">Main</a></li> <li><a href="/wiki/List_of_auxiliary_Interstate_Highways" title="List of auxiliary Interstate Highways">Auxiliary</a></li> <li><a href="/wiki/List_of_suffixed_Interstate_Highways" title="List of suffixed Interstate Highways">Suffixed</a></li> <li><a href="/wiki/List_of_business_routes_of_the_Interstate_Highway_System" title="List of business routes of the Interstate Highway System">Business</a></li> <li><a href="/wiki/List_of_future_Interstate_Highways" title="List of future Interstate Highways">Future</a></li></ul> </td></tr></tbody></table> <p><b>Interstate 81</b> (<b>I-81</b>) is a north–south (physically northeast–southwest) <a href="/wiki/Interstate_Highway" class="mw-redirect" title="Interstate Highway">Interstate Highway</a> in the eastern part of the <a href="/wiki/United_States" title="United States">United States</a>. Its southern terminus is at <a href="/wiki/Interstate_40" title="Interstate 40">I-40</a> in <a href="/wiki/Dandridge,_Tennessee" title="Dandridge, Tennessee">Dandridge</a>, <a href="/wiki/Tennessee" title="Tennessee">Tennessee</a>; its northern terminus is on <a href="/wiki/Wellesley_Island" title="Wellesley Island">Wellesley Island</a>, <a href="/wiki/New_York_(state)" title="New York (state)">New York</a> at the <a href="/wiki/Canada%E2%80%93United_States_border" title="Canada–United States border">Canadian border</a>, where the <a href="/wiki/Thousand_Islands_Bridge" title="Thousand Islands Bridge">Thousand Islands Bridge</a> connects it to <a href="/wiki/Ontario_Highway_137" title="Ontario Highway 137">Highway 137</a> and ultimately to <a href="/wiki/Ontario_Highway_401" title="Ontario Highway 401">Highway 401</a>, the main <a href="/wiki/Ontario" title="Ontario">Ontario</a> freeway connecting <a href="/wiki/Detroit" title="Detroit">Detroit</a> via <a href="/wiki/Toronto" title="Toronto">Toronto</a> to <a href="/wiki/Montreal" title="Montreal">Montreal</a>. The major metropolitan areas along the route of I-81 include the <a href="/wiki/Tri-Cities,_Tennessee" title="Tri-Cities, Tennessee">Tri-Cities</a> of Tennessee; <a href="/wiki/Roanoke_Region" title="Roanoke Region">Roanoke</a> in <a href="/wiki/Virginia" title="Virginia">Virginia</a>; <a href="/wiki/Hagerstown_metropolitan_area" title="Hagerstown metropolitan area">Hagerstown</a> in Maryland; <a href="/wiki/Harrisburg%E2%80%93Carlisle_metropolitan_statistical_area" title="Harrisburg–Carlisle metropolitan statistical area">Harrisburg</a> and the <a href="/wiki/Wyoming_Valley" title="Wyoming Valley">Wyoming Valley</a> in <a href="/wiki/Pennsylvania" title="Pennsylvania">Pennsylvania</a>; and <a href="/wiki/Binghamton_metropolitan_area" title="Binghamton metropolitan area">Binghamton</a> and <a href="/wiki/Syracuse_metropolitan_area" title="Syracuse metropolitan area">Syracuse</a> in New York. </p><p>I-81 largely traces the paths created down the length of the <a href="/wiki/Appalachian_Mountains" title="Appalachian Mountains">Appalachian Mountains</a> through the <a href="/wiki/Great_Appalachian_Valley" title="Great Appalachian Valley">Great Appalachian Valley</a> by migrating animals, <a href="/wiki/Native_Americans_in_the_United_States" title="Native Americans in the United States">indigenous peoples</a>, and early settlers. It also follows a major corridor for troop movements during the <a href="/wiki/American_Civil_War" title="American Civil War">Civil War</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> These trails and roadways gradually evolved into <a href="/wiki/U.S._Route_11" title="U.S. Route 11">US Route 11</a> (US 11); I-81 parallels much of the older US 11.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Being mostly rural in nature, I-81 is heavily used as a trucking corridor and is often used as a bypass of busier and more congested Interstates to the east such as <a href="/wiki/Interstate_95" title="Interstate 95">I-95</a>; for this reason, it is also used heavily by <a href="/wiki/Illegal_drug_trade" title="Illegal drug trade">drug</a> and <a href="/wiki/Human_trafficker" class="mw-redirect" title="Human trafficker">human traffickers</a>, as it is less monitored by <a href="/wiki/Law_enforcement" title="Law enforcement">law enforcement</a> than I-95. This led to the <a href="/wiki/Federal_Bureau_of_Investigation" title="Federal Bureau of Investigation">Federal Bureau of Investigation</a> (FBI) forming a taskforce to combat the issue in 2017.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>The I-81 Corridor Coalition, a six-state coalition, was organized to handle issues along I-81, such as truck traffic and air pollution; the commission meets annually.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> I-81 is part of the fastest route between the <a href="/wiki/Capital_city" title="Capital city">capital</a> of the US (<a href="/wiki/Washington,_D.C." title="Washington, D.C.">Washington, D.C.</a>) and the capital of <a href="/wiki/Canada" title="Canada">Canada</a> (<a href="/wiki/Ottawa" title="Ottawa">Ottawa</a>) and <a href="/wiki/Mexico" title="Mexico">Mexico</a> (<a href="/wiki/Mexico_City" title="Mexico City">Mexico City</a>).<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Route_description">Route description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=1" title="Edit section: Route description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I-81 is part of the <a href="/wiki/National_Highway_System_(United_States)" title="National Highway System (United States)">National Highway System</a>, a network of highways that are considered essential to the country's economy, defense, and mobility by the <a href="/wiki/Federal_Highway_Administration" title="Federal Highway Administration">Federal Highway Administration</a> (FHWA).<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable sortable plainrowheaders" style="margin-right: 12pt; margin-bottom: 16pt; float: left; clear: left; text-align:center;"> <caption>Lengths </caption> <tbody><tr> <th class="unsortable"> </th> <th><a href="/wiki/Mile" title="Mile">mi</a><sup id="cite_ref-fhwa_1-1" class="reference"><a href="#cite_note-fhwa-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></th> <th><a href="/wiki/Kilometer" class="mw-redirect" title="Kilometer">km</a> </th></tr> <tr> <td><a href="/wiki/Interstate_81_in_Tennessee" title="Interstate 81 in Tennessee">TN</a></td> <td style="text-align:right;">75.66 </td> <td style="text-align:right;">121.76 </td></tr> <tr> <td><a href="/wiki/Interstate_81_in_Virginia" title="Interstate 81 in Virginia">VA</a></td> <td style="text-align:right;">324.92 </td> <td style="text-align:right;">522.91 </td></tr> <tr> <td><a href="/wiki/Interstate_81_in_West_Virginia" title="Interstate 81 in West Virginia">WV</a></td> <td style="text-align:right;">26.00 </td> <td style="text-align:right;">41.84 </td></tr> <tr> <td><a href="/wiki/Interstate_81_in_Maryland" title="Interstate 81 in Maryland">MD</a></td> <td style="text-align:right;">12.08 </td> <td style="text-align:right;">19.44 </td></tr> <tr> <td><a href="/wiki/Interstate_81_in_Pennsylvania" title="Interstate 81 in Pennsylvania">PA</a></td> <td style="text-align:right;">232.76 </td> <td style="text-align:right;">374.59 </td></tr> <tr> <td><a href="/wiki/Interstate_81_in_New_York" title="Interstate 81 in New York">NY</a></td> <td style="text-align:right;">183.60 </td> <td style="text-align:right;">295.48 </td></tr> <tr> <td><b>Total</b></td> <td style="text-align:right;">855.02 </td> <td style="text-align:right;">1,376.02 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Tennessee">Tennessee</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=2" title="Edit section: Tennessee"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Interstate_81_in_Tennessee" title="Interstate 81 in Tennessee">Interstate 81 in Tennessee</a></div> <p>I-81 begins in Tennessee at <a href="/wiki/Interstate_40" title="Interstate 40">I-40</a> in <a href="/wiki/Dandridge,_Tennessee" title="Dandridge, Tennessee">Dandridge</a>, a route that connects to <a href="/wiki/Knoxville,_Tennessee" title="Knoxville, Tennessee">Knoxville</a> to the west and <a href="/wiki/Asheville,_North_Carolina" title="Asheville, North Carolina">Asheville</a> to the east. I-81 meets <a href="/wiki/Interstate_26" title="Interstate 26">I-26</a> and <a href="/wiki/U.S._Route_23" title="U.S. Route 23">US 23</a>, which go to <a href="/wiki/Kingsport,_Tennessee" title="Kingsport, Tennessee">Kingsport</a> and <a href="/wiki/Johnson_City,_Tennessee" title="Johnson City, Tennessee">Johnson City</a>. At milemarker 75, I-81 leaves Tennessee and enters Virginia. </p> <div class="mw-heading mw-heading3"><h3 id="Virginia">Virginia</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=3" title="Edit section: Virginia"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Interstate_81_in_Virginia" title="Interstate 81 in Virginia">Interstate 81 in Virginia</a></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:2019-07-08_14_24_49_View_south_along_Interstate_81_from_the_overpass_for_Carrier_Drive_in_Harrisonburg,_Virginia.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/2019-07-08_14_24_49_View_south_along_Interstate_81_from_the_overpass_for_Carrier_Drive_in_Harrisonburg%2C_Virginia.jpg/220px-2019-07-08_14_24_49_View_south_along_Interstate_81_from_the_overpass_for_Carrier_Drive_in_Harrisonburg%2C_Virginia.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/2019-07-08_14_24_49_View_south_along_Interstate_81_from_the_overpass_for_Carrier_Drive_in_Harrisonburg%2C_Virginia.jpg/330px-2019-07-08_14_24_49_View_south_along_Interstate_81_from_the_overpass_for_Carrier_Drive_in_Harrisonburg%2C_Virginia.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/2019-07-08_14_24_49_View_south_along_Interstate_81_from_the_overpass_for_Carrier_Drive_in_Harrisonburg%2C_Virginia.jpg/440px-2019-07-08_14_24_49_View_south_along_Interstate_81_from_the_overpass_for_Carrier_Drive_in_Harrisonburg%2C_Virginia.jpg 2x" data-file-width="4032" data-file-height="3024" /></a><figcaption>I-81 looking southbound near milepost 245 in <a href="/wiki/Harrisonburg,_Virginia" title="Harrisonburg, Virginia">Harrisonburg, Virginia</a></figcaption></figure> <p>I-81 in Virginia is largely a rural route with brief concurrencies with <a href="/wiki/Interstate_77" title="Interstate 77">I-77</a> and <a href="/wiki/Interstate_64" title="Interstate 64">I-64</a>. The route parallels the Appalachian Mountains for much of its route through Tennessee and Virginia, serving such cities as the <a href="/wiki/Twin_cities" title="Twin cities">twin cities</a> of Bristol, <a href="/wiki/Bristol,_Tennessee" title="Bristol, Tennessee">Tennessee</a> and <a href="/wiki/Bristol,_Virginia" title="Bristol, Virginia">Virginia</a>; <a href="/wiki/Wytheville,_Virginia" title="Wytheville, Virginia">Wytheville</a>; <a href="/wiki/Roanoke,_Virginia" title="Roanoke, Virginia">Roanoke</a>; <a href="/wiki/Christiansburg,_Virginia" title="Christiansburg, Virginia">Christiansburg</a>; <a href="/wiki/Lexington,_Virginia" title="Lexington, Virginia">Lexington</a>; <a href="/wiki/Staunton,_Virginia" title="Staunton, Virginia">Staunton</a>; <a href="/wiki/Harrisonburg,_Virginia" title="Harrisonburg, Virginia">Harrisonburg</a>; and <a href="/wiki/Winchester,_Virginia" title="Winchester, Virginia">Winchester</a>. In Harrisonburg, I-81 cuts through <a href="/wiki/James_Madison_University" title="James Madison University">James Madison University</a>.<sup id="cite_ref-Fiske_Logue_2006_10-0" class="reference"><a href="#cite_note-Fiske_Logue_2006-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> It parallels its older counterpart, <a href="/wiki/U.S._Route_11" title="U.S. Route 11">US 11</a>, for its entire length in Virginia.<sup id="cite_ref-Charles_Harbaugh_2015_11-0" class="reference"><a href="#cite_note-Charles_Harbaugh_2015-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="West_Virginia">West Virginia</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=4" title="Edit section: West Virginia"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Interstate_81_in_West_Virginia" title="Interstate 81 in West Virginia">Interstate 81 in West Virginia</a></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:2016-08-24_13_49_39_View_north_along_Interstate_81_just_after_entering_Ridgeway,_Berkeley_County,_West_Virginia_from_Rest,_Frederick_County,_Virginia.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/49/2016-08-24_13_49_39_View_north_along_Interstate_81_just_after_entering_Ridgeway%2C_Berkeley_County%2C_West_Virginia_from_Rest%2C_Frederick_County%2C_Virginia.jpg/220px-2016-08-24_13_49_39_View_north_along_Interstate_81_just_after_entering_Ridgeway%2C_Berkeley_County%2C_West_Virginia_from_Rest%2C_Frederick_County%2C_Virginia.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/49/2016-08-24_13_49_39_View_north_along_Interstate_81_just_after_entering_Ridgeway%2C_Berkeley_County%2C_West_Virginia_from_Rest%2C_Frederick_County%2C_Virginia.jpg/330px-2016-08-24_13_49_39_View_north_along_Interstate_81_just_after_entering_Ridgeway%2C_Berkeley_County%2C_West_Virginia_from_Rest%2C_Frederick_County%2C_Virginia.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/49/2016-08-24_13_49_39_View_north_along_Interstate_81_just_after_entering_Ridgeway%2C_Berkeley_County%2C_West_Virginia_from_Rest%2C_Frederick_County%2C_Virginia.jpg/440px-2016-08-24_13_49_39_View_north_along_Interstate_81_just_after_entering_Ridgeway%2C_Berkeley_County%2C_West_Virginia_from_Rest%2C_Frederick_County%2C_Virginia.jpg 2x" data-file-width="3264" data-file-height="2448" /></a><figcaption>Northbound on I-81 just after entering West Virginia</figcaption></figure> <p>I-81 briefly enters the <a href="/wiki/Eastern_Panhandle_of_West_Virginia" class="mw-redirect" title="Eastern Panhandle of West Virginia">Eastern Panhandle of West Virginia</a> for about 26 miles (42 km), serving the city of <a href="/wiki/Martinsburg,_West_Virginia" title="Martinsburg, West Virginia">Martinsburg</a>. The entire routing is in <a href="/wiki/Berkeley_County,_West_Virginia" title="Berkeley County, West Virginia">Berkeley County</a> and serves the <a href="/wiki/Eastern_WV_Regional_Airport" title="Eastern WV Regional Airport">Eastern WV Regional Airport</a>. The <a href="/wiki/West_Virginia" title="West Virginia">West Virginia</a> segment was completed in 1966 and there have been no realignments since. </p> <div class="mw-heading mw-heading3"><h3 id="Maryland">Maryland</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=5" title="Edit section: Maryland"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Interstate_81_in_Maryland" title="Interstate 81 in Maryland">Interstate 81 in Maryland</a></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:2016-07-29_19_17_29_View_north_along_Interstate_81_just_north_of_Exit_5_(Halfway_Boulevard)_just_southwest_of_Hagerstown_in_Washington_County,_Maryland.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/2016-07-29_19_17_29_View_north_along_Interstate_81_just_north_of_Exit_5_%28Halfway_Boulevard%29_just_southwest_of_Hagerstown_in_Washington_County%2C_Maryland.jpg/220px-2016-07-29_19_17_29_View_north_along_Interstate_81_just_north_of_Exit_5_%28Halfway_Boulevard%29_just_southwest_of_Hagerstown_in_Washington_County%2C_Maryland.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/41/2016-07-29_19_17_29_View_north_along_Interstate_81_just_north_of_Exit_5_%28Halfway_Boulevard%29_just_southwest_of_Hagerstown_in_Washington_County%2C_Maryland.jpg/330px-2016-07-29_19_17_29_View_north_along_Interstate_81_just_north_of_Exit_5_%28Halfway_Boulevard%29_just_southwest_of_Hagerstown_in_Washington_County%2C_Maryland.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/41/2016-07-29_19_17_29_View_north_along_Interstate_81_just_north_of_Exit_5_%28Halfway_Boulevard%29_just_southwest_of_Hagerstown_in_Washington_County%2C_Maryland.jpg/440px-2016-07-29_19_17_29_View_north_along_Interstate_81_just_north_of_Exit_5_%28Halfway_Boulevard%29_just_southwest_of_Hagerstown_in_Washington_County%2C_Maryland.jpg 2x" data-file-width="3264" data-file-height="2448" /></a><figcaption>View north along I-81 just north of exit 5 at Halfway Boulevard in <a href="/wiki/Halfway,_Maryland" title="Halfway, Maryland">Halfway, Maryland</a></figcaption></figure> <p>In <a href="/wiki/Maryland" title="Maryland">Maryland</a>, the Interstate Highway runs 12.08 miles (19.44 km) from the <a href="/wiki/West_Virginia" title="West Virginia">West Virginia</a> state line at the <a href="/wiki/Potomac_River" title="Potomac River">Potomac River</a> in <a href="/wiki/Williamsport,_Maryland" title="Williamsport, Maryland">Williamsport</a> north to the <a href="/wiki/Pennsylvania" title="Pennsylvania">Pennsylvania</a> state line near <a href="/wiki/Maugansville,_Maryland" title="Maugansville, Maryland">Maugansville</a>. I-81 is the primary north–south Interstate Highway in <a href="/wiki/Washington_County,_Maryland" title="Washington County, Maryland">Washington County</a>, connecting <a href="/wiki/Hagerstown,_Maryland" title="Hagerstown, Maryland">Hagerstown</a> with <a href="/wiki/Chambersburg,_Pennsylvania" title="Chambersburg, Pennsylvania">Chambersburg</a> and <a href="/wiki/Harrisburg,_Pennsylvania" title="Harrisburg, Pennsylvania">Harrisburg</a> to the north and <a href="/wiki/Martinsburg,_West_Virginia" title="Martinsburg, West Virginia">Martinsburg</a>, <a href="/wiki/Winchester,_Virginia" title="Winchester, Virginia">Winchester</a>, and <a href="/wiki/Roanoke,_Virginia" title="Roanoke, Virginia">Roanoke</a> to the south.<sup id="cite_ref-:2_12-0" class="reference"><a href="#cite_note-:2-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> It is the shortest mainline Interstate in Maryland and contains the shortest portion of I-81 of all six states through which the Interstate highway passes. The Interstate was dedicated as Maryland Veterans Memorial Highway in 1987.<sup id="cite_ref-:3_13-0" class="reference"><a href="#cite_note-:3-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> I-81 passes through the state of Maryland at one of its narrowest points, the "Hub City" of <a href="/wiki/Hagerstown,_Maryland" title="Hagerstown, Maryland">Hagerstown</a> where it intersects with a large number of other routes, most notably <a href="/wiki/Interstate_70" title="Interstate 70">I-70</a>. <a href="/wiki/Hagerstown_Regional_Airport" title="Hagerstown Regional Airport">Hagerstown Regional Airport</a> is served by this Interstate Highway.<sup id="cite_ref-:2_12-1" class="reference"><a href="#cite_note-:2-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Pennsylvania">Pennsylvania</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=6" title="Edit section: Pennsylvania"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Interstate_81_in_Pennsylvania" title="Interstate 81 in Pennsylvania">Interstate 81 in Pennsylvania</a></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Interstate_78_and_81_junction,_northbound.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Interstate_78_and_81_junction%2C_northbound.jpg/220px-Interstate_78_and_81_junction%2C_northbound.jpg" decoding="async" width="220" height="103" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Interstate_78_and_81_junction%2C_northbound.jpg/330px-Interstate_78_and_81_junction%2C_northbound.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/46/Interstate_78_and_81_junction%2C_northbound.jpg/440px-Interstate_78_and_81_junction%2C_northbound.jpg 2x" data-file-width="1073" data-file-height="503" /></a><figcaption>I-81 northbound at western terminus of <a href="/wiki/Interstate_78" title="Interstate 78">I-78</a> in <a href="/wiki/Lebanon_County,_Pennsylvania" title="Lebanon County, Pennsylvania">Lebanon County, Pennsylvania</a></figcaption></figure> <p>I-81 forms a major north–south corridor through the state of Pennsylvania, serving the boroughs of <a href="/wiki/Chambersburg,_Pennsylvania" title="Chambersburg, Pennsylvania">Chambersburg</a> and <a href="/wiki/Carlisle,_Pennsylvania" title="Carlisle, Pennsylvania">Carlisle</a>, where it meets the <a href="/wiki/Pennsylvania_Turnpike" title="Pennsylvania Turnpike">Pennsylvania Turnpike</a> (<a href="/wiki/Interstate_76_(Ohio%E2%80%93New_Jersey)" title="Interstate 76 (Ohio–New Jersey)">I-76</a>) but does not directly interchange with it (motorists must use US 11 to connect). Around the state capital of <a href="/wiki/Harrisburg,_Pennsylvania" title="Harrisburg, Pennsylvania">Harrisburg</a>, the route forms the northern section of Pennsylvania's <a href="/wiki/Capital_Beltway_(Harrisburg)" title="Capital Beltway (Harrisburg)">Capital Beltway</a>. The route then travels northeast toward the <a href="/wiki/Wyoming_Valley" title="Wyoming Valley">Wyoming Valley</a>, where it serves the cities of <a href="/wiki/Wilkes-Barre,_Pennsylvania" title="Wilkes-Barre, Pennsylvania">Wilkes-Barre</a> and <a href="/wiki/Scranton,_Pennsylvania" title="Scranton, Pennsylvania">Scranton</a>, then heads north through the <a href="/wiki/Endless_Mountains" title="Endless Mountains">Endless Mountains</a> region toward the state line. </p> <div class="mw-heading mw-heading3"><h3 id="New_York">New York</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=7" title="Edit section: New York"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Interstate_81_in_New_York" title="Interstate 81 in New York">Interstate 81 in New York</a></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Syracuse_Interstates.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Syracuse_Interstates.jpg/220px-Syracuse_Interstates.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Syracuse_Interstates.jpg/330px-Syracuse_Interstates.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/db/Syracuse_Interstates.jpg/440px-Syracuse_Interstates.jpg 2x" data-file-width="2560" data-file-height="1920" /></a><figcaption>I-81 at <a href="/wiki/Interstate_690" title="Interstate 690">I-690</a> in downtown Syracuse</figcaption></figure> <p>In New York, I-81 crosses the <a href="/wiki/New_York%E2%80%93Pennsylvania_border" title="New York–Pennsylvania border">Pennsylvania state line</a> southeast of <a href="/wiki/Binghamton,_New_York" title="Binghamton, New York">Binghamton</a>. The freeway runs north–south through <a href="/wiki/Central_New_York" title="Central New York">Central New York</a>, serving the cities of Binghamton, <a href="/wiki/Syracuse,_New_York" title="Syracuse, New York">Syracuse</a>, and <a href="/wiki/Watertown,_New_York" title="Watertown, New York">Watertown</a>. It passes through the <a href="/wiki/Thousand_Islands" title="Thousand Islands">Thousand Islands</a> in its final miles and crosses two bridges, both part of the series of bridges known as the <a href="/wiki/Thousand_Islands_Bridge" title="Thousand Islands Bridge">Thousand Islands Bridge</a>. South of Watertown, I-81 closely parallels <a href="/wiki/U.S._Route_11" title="U.S. Route 11">US 11</a>, the main north–south highway in Central New York prior to the construction of I-81. At Watertown, US 11 turns northeastward to head across New York's <a href="/wiki/North_Country_(New_York)" title="North Country (New York)">North Country</a> while I-81 continues on a generally northward track to the Canadian border. From there, the road continues into the province of <a href="/wiki/Ontario" title="Ontario">Ontario</a> as <a href="/wiki/Ontario_Highway_137" title="Ontario Highway 137">Highway 137</a>, a short route leading north to the nearby <a href="/wiki/Ontario_Highway_401" title="Ontario Highway 401">Highway 401</a>.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=8" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I-81 roughly parallels the <a href="/wiki/Great_Indian_Warpath" title="Great Indian Warpath">Great Indian Warpath</a>, an old Indian trail that connected New York to the <a href="/wiki/Piedmont_(United_States)" title="Piedmont (United States)">Piedmont</a> region of the southeastern United States via Virginia and West Virginia.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> A series of roads linking Virginia to Maryland through Martinsburg were present on maps as early as 1873.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> New York was originally served by <a href="/wiki/New_York_State_Route_2_(1924%E2%80%931927)" class="mw-redirect" title="New York State Route 2 (1924–1927)">New York State Route 2</a> (NY 2), a road built in 1924;<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> NY 2 was replaced by <a href="/wiki/U.S._Route_11" title="U.S. Route 11">US 11</a> in 1927. A highway that largely followed the path of US 11 was built and became known as the <a href="/wiki/Penn-Can_Highway" class="mw-redirect" title="Penn-Can Highway">Penn-Can Highway</a>.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> On August 14, 1957, the highway was redesigned as I-81.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> In New York, the first segments of what would become I-81 were begun in 1954.<sup id="cite_ref-:0_20-0" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> In Maryland, the Interstate was begun with the Hagerstown Bypass in the mid-1950s.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> After several bouts of expansion, the freeway was completed from US 40 (now <a href="/wiki/Maryland_Route_144" title="Maryland Route 144">Maryland Route 144</a> [MD 144]) to the Pennsylvania state line in 1958<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> and marked as I-81 in 1959.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> Bidding on contracts in West Virginia opened in July 1958.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> In Virginia, the first Interstate hearing was held in February 1957. At the end of 1957, construction began on a one-mile (1.6 km) stretch near <a href="/wiki/Buchanan,_Virginia" title="Buchanan, Virginia">Buchanan, Virginia</a>. A four-mile (6.4 km) section of the Interstate opened in 1959. A stretch in <a href="/wiki/Harrisonburg,_Virginia" title="Harrisonburg, Virginia">Harrisonburg</a> was opened as well. By late 1963, 85 miles (137 km) in Virginia were open.<sup id="cite_ref-:1_25-0" class="reference"><a href="#cite_note-:1-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p><p>The first statewide segment to be completed was that of West Virginia, which was finished in 1966. The section opened on October 19, 1966.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> In western Maryland, various parts of I-81 were built in the early 1960s, and the remainder of the highway south to the Potomac River was under construction by 1965<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> and opened in 1966.<sup id="cite_ref-:3_13-1" class="reference"><a href="#cite_note-:3-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> Since then, I-81 in Maryland has remained largely unchanged. In Tennessee by 1965, 336 (541) of the 997 miles (1,605 km) of Interstate Highways were completed. Construction was expected to be finished in 1969,<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> but a large portion of the work would not be completed until 1974, and most of the road was open by December 1974.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> The final major segment of the Interstate in the north to be built was a 17-mile (27 km) section in New York, opened in October 1968.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> That same year, work in Pennsylvania was completed.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> The road would not be completely built in Tennessee until August 1975.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> Construction on parts in Virginia dragged on until it was finished in July 1987.<sup id="cite_ref-:1_25-1" class="reference"><a href="#cite_note-:1-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> The segment in New York cost $270 million (equivalent to $621 million in 2023<sup id="cite_ref-inflation-USGDP_33-0" class="reference"><a href="#cite_note-inflation-USGDP-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup>) to build.<sup id="cite_ref-:0_20-1" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Major_intersections">Major intersections</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=9" title="Edit section: Major intersections"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>Tennessee</dt></dl> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_40" title="Interstate 40">I-40</a> near <a href="/wiki/Dandridge,_Tennessee" title="Dandridge, Tennessee">Dandridge</a>, northeast of <a href="/wiki/Knoxville,_Tennessee" title="Knoxville, Tennessee">Knoxville</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-26.svg/24px-I-26.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-26.svg/36px-I-26.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-26.svg/48px-I-26.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/US_23.svg/24px-US_23.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/US_23.svg/36px-US_23.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/US_23.svg/48px-US_23.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/Interstate_26" title="Interstate 26">I-26</a> / <a href="/wiki/U.S._Route_23" title="U.S. Route 23">US 23</a> between the <a href="/wiki/Tri-Cities,_Tennessee" title="Tri-Cities, Tennessee">Tri-Cities</a></li></ul> <dl><dt>Virginia</dt></dl> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/I-381.svg/30px-I-381.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/I-381.svg/45px-I-381.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c0/I-381.svg/60px-I-381.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Interstate_381" class="mw-redirect" title="Interstate 381">I-381</a> in <a href="/wiki/Bristol,_Virginia" title="Bristol, Virginia">Bristol</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/24px-US_11.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/36px-US_11.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/48px-US_11.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_11" title="U.S. Route 11">US 11</a> several times</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/I-77.svg/24px-I-77.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/I-77.svg/36px-I-77.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f0/I-77.svg/48px-I-77.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_77" title="Interstate 77">I-77</a> in <a href="/wiki/Wytheville,_Virginia" title="Wytheville, Virginia">Wytheville</a>; concurrent from Wytheville to <a href="/wiki/Fort_Chiswell,_Virginia" title="Fort Chiswell, Virginia">Fort Chiswell</a>.</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/I-73_%28Future%29.svg/24px-I-73_%28Future%29.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/I-73_%28Future%29.svg/36px-I-73_%28Future%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/I-73_%28Future%29.svg/48px-I-73_%28Future%29.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/I-581.svg/30px-I-581.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/I-581.svg/45px-I-581.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ac/I-581.svg/60px-I-581.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/US_220.svg/30px-US_220.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/US_220.svg/45px-US_220.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ad/US_220.svg/60px-US_220.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/Interstate_73_Future" class="mw-redirect" title="Interstate 73 Future">Future I-73</a> / <a href="/wiki/Interstate_581" title="Interstate 581">I-581</a> / <a href="/wiki/U.S._Route_220" title="U.S. Route 220">US 220</a> in <a href="/wiki/Roanoke,_Virginia" title="Roanoke, Virginia">Roanoke</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/I-64.svg/24px-I-64.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c7/I-64.svg/36px-I-64.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c7/I-64.svg/48px-I-64.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_64" title="Interstate 64">I-64</a> in <a href="/wiki/Lexington,_Virginia" title="Lexington, Virginia">Lexington</a>; concurrent through <a href="/wiki/Staunton,_Virginia" title="Staunton, Virginia">Staunton</a>.</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/US_33.svg/24px-US_33.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/US_33.svg/36px-US_33.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dd/US_33.svg/48px-US_33.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_33" title="U.S. Route 33">US 33</a> in <a href="/wiki/Harrisonburg,_Virginia" title="Harrisonburg, Virginia">Harrisonburg</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/I-66.svg/24px-I-66.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/I-66.svg/36px-I-66.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2b/I-66.svg/48px-I-66.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_66" title="Interstate 66">I-66</a> in <a href="/wiki/Middletown,_Virginia" title="Middletown, Virginia">Middletown</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/76/US_17.svg/24px-US_17.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/76/US_17.svg/36px-US_17.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/76/US_17.svg/48px-US_17.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/US_50.svg/24px-US_50.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/US_50.svg/36px-US_50.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/US_50.svg/48px-US_50.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/US_522.svg/30px-US_522.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/US_522.svg/45px-US_522.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e3/US_522.svg/60px-US_522.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_17" title="U.S. Route 17">US 17</a> / <a href="/wiki/U.S._Route_50" title="U.S. Route 50">US 50</a> / <a href="/wiki/U.S._Route_522" title="U.S. Route 522">US 522</a> in <a href="/wiki/Winchester,_Virginia" title="Winchester, Virginia">Winchester</a></li></ul> <dl><dt>Maryland</dt></dl> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/24px-I-70.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/36px-I-70.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/48px-I-70.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_70" title="Interstate 70">I-70</a> in <a href="/wiki/Hagerstown,_Maryland" title="Hagerstown, Maryland">Hagerstown</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/US_40.svg/24px-US_40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/04/US_40.svg/36px-US_40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/04/US_40.svg/48px-US_40.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_40" title="U.S. Route 40">US 40</a> in Hagerstown</li></ul> <dl><dt>Pennsylvania</dt></dl> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/24px-US_11.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/36px-US_11.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/48px-US_11.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display: inline-block; vertical-align: baseline; line-height: 0; text-align: center;"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Toll_plate_yellow.svg/24px-Toll_plate_yellow.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Toll_plate_yellow.svg/36px-Toll_plate_yellow.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Toll_plate_yellow.svg/48px-Toll_plate_yellow.svg.png 2x" data-file-width="601" data-file-height="301" /></span></span><br /><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/I-76.svg/24px-I-76.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ad/I-76.svg/36px-I-76.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ad/I-76.svg/48px-I-76.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/19/Pennsylvania_Turnpike_logo.svg/24px-Pennsylvania_Turnpike_logo.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/19/Pennsylvania_Turnpike_logo.svg/36px-Pennsylvania_Turnpike_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/19/Pennsylvania_Turnpike_logo.svg/48px-Pennsylvania_Turnpike_logo.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_11_in_Pennsylvania" title="U.S. Route 11 in Pennsylvania">US 11</a> / <a href="/wiki/Interstate_76_(Pennsylvania)" class="mw-redirect" title="Interstate 76 (Pennsylvania)">I-76 Toll</a> / <a href="/wiki/Pennsylvania_Turnpike" title="Pennsylvania Turnpike">Penna Turnpike</a> in <a href="/wiki/Middlesex_Township,_Cumberland_County,_Pennsylvania" title="Middlesex Township, Cumberland County, Pennsylvania">Middlesex Township</a> (near <a href="/wiki/Carlisle,_Pennsylvania" title="Carlisle, Pennsylvania">Carlisle</a>)</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9b/PA-581.svg/30px-PA-581.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9b/PA-581.svg/45px-PA-581.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9b/PA-581.svg/60px-PA-581.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/Pennsylvania_Route_581" class="mw-redirect" title="Pennsylvania Route 581">PA 581</a> in <a href="/wiki/Mechanicsburg,_Pennsylvania" title="Mechanicsburg, Pennsylvania">Mechanicsburg</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6e/US_22.svg/24px-US_22.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6e/US_22.svg/36px-US_22.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6e/US_22.svg/48px-US_22.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/30px-US_322.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/45px-US_322.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/60px-US_322.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_22" title="U.S. Route 22">US 22</a> / <a href="/wiki/U.S._Route_322" title="U.S. Route 322">US 322</a> in <a href="/wiki/Harrisburg,_Pennsylvania" title="Harrisburg, Pennsylvania">Harrisburg</a>. I-81/US 322 concurrent throughout Harrisburg.</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/I-83.svg/24px-I-83.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/I-83.svg/36px-I-83.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/I-83.svg/48px-I-83.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/30px-US_322.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/45px-US_322.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/US_322.svg/60px-US_322.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/Interstate_83" title="Interstate 83">I-83</a> / <a href="/wiki/U.S._Route_322" title="U.S. Route 322">US 322</a> in Harrisburg</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/I-78.svg/24px-I-78.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/I-78.svg/36px-I-78.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/I-78.svg/48px-I-78.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_78" title="Interstate 78">I-78</a> near <a href="/wiki/Jonestown,_Lebanon_County,_Pennsylvania" title="Jonestown, Lebanon County, Pennsylvania">Jonestown</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-80.svg/24px-I-80.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-80.svg/36px-I-80.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/11/I-80.svg/48px-I-80.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_80" title="Interstate 80">I-80</a> near <a href="/wiki/Hazleton,_Pennsylvania" title="Hazleton, Pennsylvania">Hazleton</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/I-476.svg/30px-I-476.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/I-476.svg/45px-I-476.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a5/I-476.svg/60px-I-476.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Interstate_476" title="Interstate 476">I-476</a> in <a href="/wiki/Dupont,_Pennsylvania" title="Dupont, Pennsylvania">Dupont</a> (near <a href="/wiki/Pittston,_Pennsylvania" title="Pittston, Pennsylvania">Pittston</a>)</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/I-84.svg/24px-I-84.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/I-84.svg/36px-I-84.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/51/I-84.svg/48px-I-84.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/I-380.svg/30px-I-380.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/I-380.svg/45px-I-380.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/I-380.svg/60px-I-380.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/24px-US_6.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/36px-US_6.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/48px-US_6.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/Interstate_84_(Pennsylvania%E2%80%93Massachusetts)" title="Interstate 84 (Pennsylvania–Massachusetts)">I-84</a> / <a href="/wiki/Interstate_380_(Pennsylvania)" title="Interstate 380 (Pennsylvania)">I-380</a> / <a href="/wiki/U.S._Route_6" title="U.S. Route 6">US 6</a> in <a href="/wiki/Dunmore,_Pennsylvania" title="Dunmore, Pennsylvania">Dunmore</a> (near <a href="/wiki/Scranton,_Pennsylvania" title="Scranton, Pennsylvania">Scranton</a>)</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/I-476.svg/30px-I-476.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/I-476.svg/45px-I-476.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a5/I-476.svg/60px-I-476.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/24px-US_6.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/36px-US_6.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ef/US_6.svg/48px-US_6.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/24px-US_11.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/36px-US_11.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0c/US_11.svg/48px-US_11.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/Interstate_476" title="Interstate 476">I-476</a> / <a href="/wiki/U.S._Route_6" title="U.S. Route 6">US 6</a> / <a href="/wiki/U.S._Route_11" title="U.S. Route 11">US 11</a> in <a href="/wiki/Clarks_Summit,_Pennsylvania" title="Clarks Summit, Pennsylvania">Clarks Summit</a></li></ul> <dl><dt>New York</dt></dl> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-86.svg/24px-I-86.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-86.svg/36px-I-86.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-86.svg/48px-I-86.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/NY-17.svg/24px-NY-17.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/NY-17.svg/36px-NY-17.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/68/NY-17.svg/48px-NY-17.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span> <a href="/wiki/Interstate_86_(New_York)" class="mw-redirect" title="Interstate 86 (New York)">I-86</a> / <a href="/wiki/New_York_State_Route_17" title="New York State Route 17">NY 17</a> in <a href="/wiki/Binghamton,_New_York" title="Binghamton, New York">Binghamton</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-88.svg/24px-I-88.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-88.svg/36px-I-88.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a3/I-88.svg/48px-I-88.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_88_(New_York)" title="Interstate 88 (New York)">I-88</a> in Binghamton</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/I-481.svg/30px-I-481.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/I-481.svg/45px-I-481.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/I-481.svg/60px-I-481.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Interstate_481" title="Interstate 481">I-481</a> in <a href="/wiki/Syracuse,_New_York" title="Syracuse, New York">Syracuse</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b1/I-690.svg/30px-I-690.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b1/I-690.svg/45px-I-690.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b1/I-690.svg/60px-I-690.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Interstate_690" title="Interstate 690">I-690</a> in downtown Syracuse</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/I-90.svg/24px-I-90.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/I-90.svg/36px-I-90.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/I-90.svg/48px-I-90.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_90" title="Interstate 90">I-90</a> in <a href="/wiki/North_Syracuse,_New_York" title="North Syracuse, New York">North Syracuse</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/I-781.svg/30px-I-781.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/I-781.svg/45px-I-781.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a0/I-781.svg/60px-I-781.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Interstate_781" title="Interstate 781">I-781</a> in <a href="/wiki/Watertown,_New_York" title="Watertown, New York">Watertown</a></li> <li><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ontario_137_crown.svg/24px-Ontario_137_crown.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ontario_137_crown.svg/36px-Ontario_137_crown.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ontario_137_crown.svg/48px-Ontario_137_crown.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Ontario_To_401_crown.svg/24px-Ontario_To_401_crown.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Ontario_To_401_crown.svg/36px-Ontario_To_401_crown.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/13/Ontario_To_401_crown.svg/48px-Ontario_To_401_crown.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Ontario_Highway_137" title="Ontario Highway 137">Highway 137</a> to <a href="/wiki/Ontario_Highway_401" title="Ontario Highway 401">Highway 401</a>; freeway ends at Canada–US border (<a href="/wiki/Thousand_Islands_Bridge" title="Thousand Islands Bridge">Thousand Islands Bridge</a>)</li></ul> <p><sup id="cite_ref-randmcnally_34-0" class="reference"><a href="#cite_note-randmcnally-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Auxiliary_routes">Auxiliary routes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=10" title="Edit section: Auxiliary routes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I-81 has six related, <a href="/wiki/Auxiliary_Interstate_Highway" class="mw-redirect" title="Auxiliary Interstate Highway">auxiliary Interstate Highways</a> that connect the main freeway to downtowns and other cities. <a href="/wiki/Interstate_381" class="mw-redirect" title="Interstate 381">I-381</a> runs 1.5 miles (2.4 km), connecting <a href="/wiki/Bristol,_Virginia" title="Bristol, Virginia">Bristol, Virginia</a>, to I-81.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Interstate_581" title="Interstate 581">I-581</a> is a 6.35-mile-long (10.22 km) spur that connects <a href="/wiki/Roanoke,_Virginia" title="Roanoke, Virginia">Roanoke, Virginia</a>, to I-81. It is proposed to be overtaken by <a href="/wiki/Interstate_73" title="Interstate 73">I-73</a>.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Pennsylvania_Route_581" class="mw-redirect" title="Pennsylvania Route 581">Pennsylvania Route 581</a> (PA 581) connects <a href="/wiki/Harrisburg,_Pennsylvania" title="Harrisburg, Pennsylvania">Harrisburg, Pennsylvania</a>, to I-81. It runs 7.36 miles (11.84 km). <a href="/wiki/Interstate_481" title="Interstate 481">I-481</a> serves as an eastern bypass of <a href="/wiki/Syracuse,_New_York" title="Syracuse, New York">Syracuse, New York</a>. <a href="/wiki/New_York_State_Route_481" title="New York State Route 481">NY 481</a> is a northwestern extension of I-481 that ends in <a href="/wiki/Oswego,_New_York" title="Oswego, New York">Oswego</a>.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Interstate_781" title="Interstate 781">I-781</a> extends for 4.9 miles (7.9 km), that connects <a href="/wiki/Fort_Drum,_New_York" class="mw-redirect" title="Fort Drum, New York">Fort Drum, New York</a>, to the Interstate.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> <a href="/wiki/New_York_State_Route_281" title="New York State Route 281">NY 281</a> is a north–south <a href="/wiki/State_highway" title="State highway">state highway</a> in <a href="/wiki/Central_New_York" title="Central New York">Central New York</a> in the US that extends for 16.56 miles (26.65 km) across <a href="/wiki/Cortland_County,_New_York" title="Cortland County, New York">Cortland</a> and <a href="/wiki/Onondaga_County,_New_York" title="Onondaga County, New York">Onondaga</a> counties, roughly paralleling I-81 and connecting at both ends.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Interstate_181" class="mw-redirect" title="Interstate 181">I-181</a> was a 23.85-mile (38.38 km) offshoot of I-81, linking to <a href="/wiki/Kingsport,_Tennessee" title="Kingsport, Tennessee">Kingsport, Tennessee</a>. It was decommissioned in August 2005 when <a href="/wiki/Interstate_26" title="Interstate 26">I-26</a> took over I-181's entire length.<sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> I-281 was replaced in January 1970 by <a href="/wiki/Interstate_481" title="Interstate 481">I-481</a>. I-81E was replaced by the current <a href="/wiki/Interstate_380_(Pennsylvania)" title="Interstate 380 (Pennsylvania)">I-380</a>.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=11" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-fhwa-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-fhwa_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-fhwa_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fhwa.dot.gov/planning/national_highway_system/interstate_highway_system/routefinder/table01.cfm">"Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways"</a>. <i>FHWA Route Log and Finder List</i>. <a href="/wiki/Federal_Highway_Administration" title="Federal Highway Administration">Federal Highway Administration</a>. December 31, 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">July 14,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=FHWA+Route+Log+and+Finder+List&rft.atitle=Table+1%3A+Main+Routes+of+the+Dwight+D.+Eisenhower+National+System+Of+Interstate+and+Defense+Highways&rft.date=2021-12-31&rft_id=https%3A%2F%2Fwww.fhwa.dot.gov%2Fplanning%2Fnational_highway_system%2Finterstate_highway_system%2Froutefinder%2Ftable01.cfm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.millershousemuseum.org/roads">"Roads"</a>. Miller's House Museum<span class="reference-accessdate">. Retrieved <span class="nowrap">July 16,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Roads&rft.pub=Miller%27s+House+Museum&rft_id=https%3A%2F%2Fwww.millershousemuseum.org%2Froads&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPerrier2010" class="citation book cs1">Perrier, Dianne (2010). <i>Interstate 81: The Great Warriors Trace</i>. Gainesville: University Press of Florida. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-8130-3481-2" title="Special:BookSources/978-0-8130-3481-2"><bdi>978-0-8130-3481-2</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/502304332">502304332</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Interstate+81%3A+The+Great+Warriors+Trace&rft.place=Gainesville&rft.pub=University+Press+of+Florida&rft.date=2010&rft_id=info%3Aoclcnum%2F502304332&rft.isbn=978-0-8130-3481-2&rft.aulast=Perrier&rft.aufirst=Dianne&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (January 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZuckerman2017" class="citation news cs1">Zuckerman, Jake (January 26, 2017). <a rel="nofollow" class="external text" href="https://www.nvdaily.com/news/crime/fbi-forms-human-trafficking-task-force-along-i-81/article_657d7859-0b88-5cdb-9324-61803070bd57.html">"FBI forms human trafficking task force along I-81"</a>. <i>North Virginia Daily</i><span class="reference-accessdate">. Retrieved <span class="nowrap">June 22,</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=North+Virginia+Daily&rft.atitle=FBI+forms+human+trafficking+task+force+along+I-81&rft.date=2017-01-26&rft.aulast=Zuckerman&rft.aufirst=Jake&rft_id=https%3A%2F%2Fwww.nvdaily.com%2Fnews%2Fcrime%2Ffbi-forms-human-trafficking-task-force-along-i-81%2Farticle_657d7859-0b88-5cdb-9324-61803070bd57.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRossi2019" class="citation news cs1">Rossi, Isabella (February 12, 2019). <a rel="nofollow" class="external text" href="http://www.collegiatetimes.com/news/sex-trafficking-closer-to-home-than-most-virginians-would-think/article_24cd2b06-2d6a-11e9-8dee-23706d3ea3ae.html">"Sex trafficking closer to home than most Virginians would think"</a>. <i>Collegiate Times</i><span class="reference-accessdate">. Retrieved <span class="nowrap">June 22,</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Collegiate+Times&rft.atitle=Sex+trafficking+closer+to+home+than+most+Virginians+would+think&rft.date=2019-02-12&rft.aulast=Rossi&rft.aufirst=Isabella&rft_id=http%3A%2F%2Fwww.collegiatetimes.com%2Fnews%2Fsex-trafficking-closer-to-home-than-most-virginians-would-think%2Farticle_24cd2b06-2d6a-11e9-8dee-23706d3ea3ae.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.i-81coalition.org">"Corridor Coalition"</a>. I-81coalition.org<span class="reference-accessdate">. Retrieved <span class="nowrap">January 29,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Corridor+Coalition&rft.pub=I-81coalition.org&rft_id=https%3A%2F%2Fwww.i-81coalition.org&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.whptv.com/news/local/story.aspx?content_id=312716f5-fa94-4d47-a1f4-50e610a72191&rss=50">"I-81 Safety Conference"</a>. Harrisburg, PA: <a href="/wiki/WHP-TV" title="WHP-TV">WHP-TV</a><span class="reference-accessdate">. Retrieved <span class="nowrap">October 4,</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=I-81+Safety+Conference&rft.place=Harrisburg%2C+PA&rft.pub=WHP-TV&rft_id=http%3A%2F%2Fwww.whptv.com%2Fnews%2Flocal%2Fstory.aspx%3Fcontent_id%3D312716f5-fa94-4d47-a1f4-50e610a72191%26rss%3D50&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged November 2017">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.witf.org/FM/24934364_New_group_will_focus_on_I-81_Corridor_051212.htm">I-81 Corridor group</a><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged September 2016">dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNatzkeNeatheryAdderly2012" class="citation web cs1">Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). <a rel="nofollow" class="external text" href="http://www.fhwa.dot.gov/planning/national_highway_system/">"What is the National Highway System?"</a>. <i>National Highway System</i>. Washington, DC: Federal Highway Administration<span class="reference-accessdate">. Retrieved <span class="nowrap">July 1,</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=National+Highway+System&rft.atitle=What+is+the+National+Highway+System%3F&rft.date=2012-06-20&rft.aulast=Natzke&rft.aufirst=Stefan&rft.au=Neathery%2C+Mike&rft.au=Adderly%2C+Kevin&rft_id=http%3A%2F%2Fwww.fhwa.dot.gov%2Fplanning%2Fnational_highway_system%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-Fiske_Logue_2006-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-Fiske_Logue_2006_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFiskeLogue2006" class="citation book cs1">Fiske, E.B.; Logue, R. (2006). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=sKvSAAAAIAAJ"><i>The Fiske Guide to Colleges</i></a>. New York: Times Books. p. 358. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9781402203749" title="Special:BookSources/9781402203749"><bdi>9781402203749</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">February 26,</span> 2018</span> – via <a href="/wiki/Google_Books" title="Google Books">Google Books</a>. <q>The university straddles Interstate 81, an outlet to several major East Coast cities.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Fiske+Guide+to+Colleges&rft.place=New+York&rft.pages=358&rft.pub=Times+Books&rft.date=2006&rft.isbn=9781402203749&rft.aulast=Fiske&rft.aufirst=E.B.&rft.au=Logue%2C+R.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DsKvSAAAAIAAJ&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-Charles_Harbaugh_2015-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-Charles_Harbaugh_2015_11-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHarbaughPennington2015" class="citation book cs1">Harbaugh, Charles IV; Pennington, Jeff (2015). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ooWtBQAAQBAJ&pg=PA10"><i>Middletown</i></a>. Images of America. Charleston, SC: Arcadia Publishing. p. 10. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4671-2242-9" title="Special:BookSources/978-1-4671-2242-9"><bdi>978-1-4671-2242-9</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">February 26,</span> 2018</span> – via Google Books.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Middletown&rft.place=Charleston%2C+SC&rft.series=Images+of+America&rft.pages=10&rft.pub=Arcadia+Publishing&rft.date=2015&rft.isbn=978-1-4671-2242-9&rft.aulast=Harbaugh&rft.aufirst=Charles+IV&rft.au=Pennington%2C+Jeff&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DooWtBQAAQBAJ%26pg%3DPA10&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-:2-12"><span class="mw-cite-backlink">^ <a href="#cite_ref-:2_12-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:2_12-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHighway_Information_Services_Division2013" class="citation book cs1">Highway Information Services Division (December 31, 2013). <a rel="nofollow" class="external text" href="https://www.roads.maryland.gov/mdotsha/pages/Index.aspx?PageId=832"><i>Highway Location Reference</i></a>. Maryland State Highway Administration<span class="reference-accessdate">. Retrieved <span class="nowrap">February 3,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Highway+Location+Reference&rft.pub=Maryland+State+Highway+Administration&rft.date=2013-12-31&rft.au=Highway+Information+Services+Division&rft_id=https%3A%2F%2Fwww.roads.maryland.gov%2Fmdotsha%2Fpages%2FIndex.aspx%3FPageId%3D832&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="https://www.roads.maryland.gov/Location/2013_Washington.pdf"><i>Washington County</i></a> <span class="cs1-format">(PDF)</span>. pp. <span class="nowrap">13–</span>19.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Washington+County&rft.pages=%3Cspan+class%3D%22nowrap%22%3E13-%3C%2Fspan%3E19&rft_id=https%3A%2F%2Fwww.roads.maryland.gov%2FLocation%2F2013_Washington.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></li></ul> </span></li> <li id="cite_note-:3-13"><span class="mw-cite-backlink">^ <a href="#cite_ref-:3_13-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:3_13-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://highways.dot.gov/highway-history/interstate-system/50th-anniversary">"Previous Interstate Facts of the Day"</a>. <i>Eisenhower Interstate Highway System Home Page</i>. See June 8, 2010. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20060426084506/http://www.fhwa.dot.gov/interstate/previousfacts.cfm">Archived</a> from the original on April 26, 2006<span class="reference-accessdate">. Retrieved <span class="nowrap">February 3,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Eisenhower+Interstate+Highway+System+Home+Page&rft.atitle=Previous+Interstate+Facts+of+the+Day&rft.pages=See+June+8%2C+2010&rft_id=https%3A%2F%2Fhighways.dot.gov%2Fhighway-history%2Finterstate-system%2F50th-anniversary&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation map cs1"><a rel="nofollow" class="external text" href="https://maps.google.com/maps?saddr=I-81+N&daddr=I-81+N&hl=en&ll=43.329174,-75.822144&spn=3.004846,7.13562&sll=44.346701,-75.982111&sspn=0.00577,0.013937&geocode=FX7WgAIdmh58-w%3BFZavpAIdn5Z4-w&t=h&mra=me&mrsp=1,0&sz=17&z=8">"Overview Map of I-81 in New York"</a> (Map). <i><a href="/wiki/Google_Maps" title="Google Maps">Google Maps</a></i>. April 16, 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">February 3,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Google+Maps&rft.atitle=Overview+Map+of+I-81+in+New+York&rft.date=2012-04-16&rft_id=https%3A%2F%2Fmaps.google.com%2Fmaps%3Fsaddr%3DI-81%2BN%26daddr%3DI-81%2BN%26hl%3Den%26ll%3D43.329174%2C-75.822144%26spn%3D3.004846%2C7.13562%26sll%3D44.346701%2C-75.982111%26sspn%3D0.00577%2C0.013937%26geocode%3DFX7WgAIdmh58-w%253BFZavpAIdn5Z4-w%26t%3Dh%26mra%3Dme%26mrsp%3D1%2C0%26sz%3D17%26z%3D8&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><span class="error"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRiceBrown1993" class="citation book cs1">Rice, Otis K.; Brown, Stephen W. (1993). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/westvirginiahist00rice_0"><i>West Virginia: A History</i></a></span>. Lexington: <a href="/wiki/University_Press_of_Kentucky" title="University Press of Kentucky">University Press of Kentucky</a>. p. <a rel="nofollow" class="external text" href="https://archive.org/details/westvirginiahist00rice_0/page/10">10</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-8131-1854-3" title="Special:BookSources/978-0-8131-1854-3"><bdi>978-0-8131-1854-3</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">February 2,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=West+Virginia%3A+A+History&rft.place=Lexington&rft.pages=10&rft.pub=University+Press+of+Kentucky&rft.date=1993&rft.isbn=978-0-8131-1854-3&rft.aulast=Rice&rft.aufirst=Otis+K.&rft.au=Brown%2C+Stephen+W.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fwestvirginiahist00rice_0&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWhite1873" class="citation map cs1">White, M. Wood (1873). <a rel="nofollow" class="external text" href="http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~28412~1120347:White-s-topographical,-county-&-dis?sort=Pub_List_No_InitialSort%2CPub_Date%2CPub_List_No%2CSeries_No">"Counties of Morgan, Berkeley, Jefferson"</a> (Map). <i>White's Topographical, County & District Atlas of West Virginia</i>. 1:310,000. M.W. White. p. 22. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/62726043">62726043</a><span class="reference-accessdate">. Retrieved <span class="nowrap">February 2,</span> 2018</span> – via David Rumsey Map Collection.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Counties+of+Morgan%2C+Berkeley%2C+Jefferson&rft.btitle=White%27s+Topographical%2C+County+%26+District+Atlas+of+West+Virginia&rft.pages=22&rft.pub=M.W.+White.&rft.date=1873&rft_id=info%3Aoclcnum%2F62726043&rft.aulast=White&rft.aufirst=M.+Wood&rft_id=http%3A%2F%2Fwww.davidrumsey.com%2Fluna%2Fservlet%2Fdetail%2FRUMSEY~8~1~28412~1120347%3AWhite-s-topographical%2C-county-%26-dis%3Fsort%3DPub_List_No_InitialSort%252CPub_Date%252CPub_List_No%252CSeries_No&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"New York's Main Highways Designated by Numbers". <i><a href="/wiki/The_New_York_Times" title="The New York Times">The New York Times</a></i>. December 21, 1924. p. XX9.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+New+York+Times&rft.atitle=New+York%27s+Main+Highways+Designated+by+Numbers&rft.pages=XX9&rft.date=1924-12-21&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20220130215742/https://fultonhistory.com/Newspaper4/Binghamton%20NY%20Press%20Grayscale/Binghamton%20NY%20Press%20Grayscale%201957.pdf/Binghamton%20NY%20Press%20Grayscale%201957%20-%200247.pdf">"Penn-Can Road Vital to Broome, Majority at Hearing Says"</a> <span class="cs1-format">(PDF)</span>. <i><a href="/wiki/The_Binghamton_Press" class="mw-redirect" title="The Binghamton Press">The Binghamton Press</a></i>. January 9, 1957. p. 3. Archived from <a rel="nofollow" class="external text" href="http://fultonhistory.com/Newspaper4/Binghamton%20NY%20Press%20Grayscale/Binghamton%20NY%20Press%20Grayscale%201957.pdf/Binghamton%20NY%20Press%20Grayscale%201957%20-%200247.pdf">the original</a> <span class="cs1-format">(PDF)</span> on January 30, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">February 3,</span> 2018</span> – via Fulton County Historical Society.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Binghamton+Press&rft.atitle=Penn-Can+Road+Vital+to+Broome%2C+Majority+at+Hearing+Says&rft.pages=3&rft.date=1957-01-09&rft_id=http%3A%2F%2Ffultonhistory.com%2FNewspaper4%2FBinghamton%2520NY%2520Press%2520Grayscale%2FBinghamton%2520NY%2520Press%2520Grayscale%25201957.pdf%2FBinghamton%2520NY%2520Press%2520Grayscale%25201957%2520-%25200247.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAmerican_Association_of_State_Highway_Officials1957" class="citation map cs1"><a href="/wiki/American_Association_of_State_Highway_Officials" class="mw-redirect" title="American Association of State Highway Officials">American Association of State Highway Officials</a> (August 14, 1957). <a class="external text" href="https://commons.wikimedia.org/wiki/File:Interstate_Highway_plan_August_14,_1957.jpg"><i>Official Route Numbering for the National System of Interstate and Defense Highways</i></a> (Map). Scale not given. Washington, DC: American Association of State Highway Officials – via <a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Wikimedia Commons</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Official+Route+Numbering+for+the+National+System+of+Interstate+and+Defense+Highways&rft.place=Washington%2C+DC&rft.pub=American+Association+of+State+Highway+Officials&rft.date=1957-08-14&rft.au=American+Association+of+State+Highway+Officials&rft_id=http%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3AInterstate_Highway_plan_August_14%2C_1957.jpg&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-:0-20"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_20-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_20-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1">"Interstate 81: The History". New York State Department of Transportation.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Interstate+81%3A+The+History&rft.pub=New+York+State+Department+of+Transportation&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_web" title="Template:Cite web">cite web</a>}}</code>: </span><span class="cs1-visible-error citation-comment">Missing or empty <code class="cs1-code">|url=</code> (<a href="/wiki/Help:CS1_errors#cite_web_url" title="Help:CS1 errors">help</a>)</span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources#What_information_to_include" title="Wikipedia:Citing sources"><span title="A complete citation is needed. (February 2018)">full citation needed</span></a></i>]</sup></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBonnellBennettMcMullen1958" class="citation book cs1">Bonnell, Robert O.; Bennett, Edgar T.; McMullen, John J. (December 15, 1958). <a rel="nofollow" class="external text" href="https://archive.org/details/reportofstateroa1957mary"><i>Report of the State Roads Commission of Maryland</i></a> (1957–1958 ed.). Baltimore: Maryland State Roads Commission. p. 82<span class="reference-accessdate">. Retrieved <span class="nowrap">November 15,</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Report+of+the+State+Roads+Commission+of+Maryland&rft.place=Baltimore&rft.pages=82&rft.edition=1957%E2%80%931958&rft.pub=Maryland+State+Roads+Commission&rft.date=1958-12-15&rft.aulast=Bonnell&rft.aufirst=Robert+O.&rft.au=Bennett%2C+Edgar+T.&rft.au=McMullen%2C+John+J.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Freportofstateroa1957mary&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaryland_State_Roads_Commission1958" class="citation map cs1">Maryland State Roads Commission (1958). <a rel="nofollow" class="external text" href="http://msa.maryland.gov/megafile/msa/speccol/sc4400/sc4409/000002/000000/000028/restricted/1958_sha.pdf"><i>Maryland: Official Highway Map</i></a> <span class="cs1-format">(PDF)</span> (Map). Baltimore: Maryland State Roads Commission.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Maryland%3A+Official+Highway+Map&rft.place=Baltimore&rft.pub=Maryland+State+Roads+Commission&rft.date=1958&rft.au=Maryland+State+Roads+Commission&rft_id=http%3A%2F%2Fmsa.maryland.gov%2Fmegafile%2Fmsa%2Fspeccol%2Fsc4400%2Fsc4409%2F000002%2F000000%2F000028%2Frestricted%2F1958_sha.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources#What_information_to_include" title="Wikipedia:Citing sources"><span title="A complete citation is needed. (February 2018)">full citation needed</span></a></i>]</sup></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaryland_State_Roads_Commission1959" class="citation map cs1">Maryland State Roads Commission (1959). <a rel="nofollow" class="external text" href="http://msa.maryland.gov/megafile/msa/speccol/sc4400/sc4409/000002/000000/000029/restricted/msa_sc_5458_51_3145-35.pdf"><i>Maryland: Official Highway Map</i></a> <span class="cs1-format">(PDF)</span> (Map). Baltimore: Maryland State Roads Commission.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Maryland%3A+Official+Highway+Map&rft.place=Baltimore&rft.pub=Maryland+State+Roads+Commission&rft.date=1959&rft.au=Maryland+State+Roads+Commission&rft_id=http%3A%2F%2Fmsa.maryland.gov%2Fmegafile%2Fmsa%2Fspeccol%2Fsc4400%2Fsc4409%2F000002%2F000000%2F000029%2Frestricted%2Fmsa_sc_5458_51_3145-35.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources#What_information_to_include" title="Wikipedia:Citing sources"><span title="A complete citation is needed. (February 2018)">full citation needed</span></a></i>]</sup></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"Bids Opened on Parts of Interstate 81". <i><a href="/wiki/Charleston_Daily_Mail" title="Charleston Daily Mail">Charleston Daily Mail</a></i>. July 29, 1958.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Charleston+Daily+Mail&rft.atitle=Bids+Opened+on+Parts+of+Interstate+81&rft.date=1958-07-29&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-:1-25"><span class="mw-cite-backlink">^ <a href="#cite_ref-:1_25-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:1_25-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20071113221553/http://www.virginiadot.org/projects/constSTAN-I81-history.asp">"I-81 History"</a>. Virginia Department of Transportation. Archived from <a rel="nofollow" class="external text" href="http://www.virginiadot.org/projects/constSTAN-I81-history.asp">the original</a> on November 13, 2007<span class="reference-accessdate">. Retrieved <span class="nowrap">January 29,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=I-81+History&rft.pub=Virginia+Department+of+Transportation&rft_id=http%3A%2F%2Fwww.virginiadot.org%2Fprojects%2FconstSTAN-I81-history.asp&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"Interstate Hwy 81 Opens Soon". <i>Morgantown Dominion News</i>. October 6, 1966.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Morgantown+Dominion+News&rft.atitle=Interstate+Hwy+81+Opens+Soon&rft.date=1966-10-06&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFederal_Highway_Administration2012" class="citation book cs1">Federal Highway Administration (2012). "NBI Structure Number: 100000210078011". <i>National Bridge Inventory</i>. Federal Highway Administration.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=NBI+Structure+Number%3A+100000210078011&rft.btitle=National+Bridge+Inventory&rft.pub=Federal+Highway+Administration&rft.date=2012&rft.au=Federal+Highway+Administration&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"Where Do We Stand On The Interstate?". <i>Kingsport Times-News</i>. May 2, 1965.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Kingsport+Times-News&rft.atitle=Where+Do+We+Stand+On+The+Interstate%3F&rft.date=1965-05-02&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"East Tennessee's Christmas Present". <i><a href="/wiki/Kingsport_Times" class="mw-redirect" title="Kingsport Times">Kingsport Times</a></i>. December 10, 1974.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Kingsport+Times&rft.atitle=East+Tennessee%27s+Christmas+Present&rft.date=1974-12-10&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"Final Links of Interstate 81 to Be Opened with Friday Rites". <i><a href="/wiki/Syracuse_Post_Standard" class="mw-redirect" title="Syracuse Post Standard">Syracuse Post Standard</a></i>. October 14, 1968.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Syracuse+Post+Standard&rft.atitle=Final+Links+of+Interstate+81+to+Be+Opened+with+Friday+Rites&rft.date=1968-10-14&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><b><a href="#cite_ref-31">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"Interstate Highway Construction". <i>Somerset Daily News</i>. October 22, 1968.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Somerset+Daily+News&rft.atitle=Interstate+Highway+Construction&rft.date=1968-10-22&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-32">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1">"Interstate 81 Four-Lane Opens". <i>Kingsport News</i>. August 28, 1975.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Kingsport+News&rft.atitle=Interstate+81+Four-Lane+Opens&rft.date=1975-08-28&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2018)">page needed</span></a></i>]</sup></span> </li> <li id="cite_note-inflation-USGDP-33"><span class="mw-cite-backlink"><b><a href="#cite_ref-inflation-USGDP_33-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJohnstonWilliamson2023" class="citation web cs1">Johnston, Louis; Williamson, Samuel H. (2023). <a rel="nofollow" class="external text" href="http://www.measuringworth.com/datasets/usgdp/">"What Was the U.S. GDP Then?"</a>. <i><a href="/wiki/MeasuringWorth" title="MeasuringWorth">MeasuringWorth</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">November 30,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=MeasuringWorth&rft.atitle=What+Was+the+U.S.+GDP+Then%3F&rft.date=2023&rft.aulast=Johnston&rft.aufirst=Louis&rft.au=Williamson%2C+Samuel+H.&rft_id=http%3A%2F%2Fwww.measuringworth.com%2Fdatasets%2Fusgdp%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span> United States <a href="/wiki/Gross_Domestic_Product_deflator" class="mw-redirect" title="Gross Domestic Product deflator">Gross Domestic Product deflator</a> figures follow the <i>MeasuringWorth</i> series. </span> </li> <li id="cite_note-randmcnally-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-randmcnally_34-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRand_McNally2014" class="citation book cs1">Rand McNally (2014). <i>The Road Atlas</i> (Walmart ed.). 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Virginia Department of Transportation<span class="reference-accessdate">. Retrieved <span class="nowrap">February 3,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Virginia+Interstate+Exits&rft.pub=Virginia+Department+of+Transportation&rft.au=Virginia+Department+of+Transportation&rft_id=http%3A%2F%2Fwww.virginiadot.org%2Ftravel%2Fexit-numbers-381.asp&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-36">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFVirginia_Department_of_Transportation2013" class="citation web cs1">Virginia Department of Transportation (2013). <a rel="nofollow" class="external text" href="http://www.virginiadot.org/info/resources/Traffic_2012/AADT_080_Roanoke_2012.pdf">"2012 Virginia Department of Transportation Daily Traffic Volume Estimates Including Vehicle Classification Estimates"</a> <span class="cs1-format">(PDF)</span>. Virginia Department of Transportation.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=2012+Virginia+Department+of+Transportation+Daily+Traffic+Volume+Estimates+Including+Vehicle+Classification+Estimates&rft.pub=Virginia+Department+of+Transportation&rft.date=2013&rft.au=Virginia+Department+of+Transportation&rft_id=http%3A%2F%2Fwww.virginiadot.org%2Finfo%2Fresources%2FTraffic_2012%2FAADT_080_Roanoke_2012.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-37"><span class="mw-cite-backlink"><b><a href="#cite_ref-37">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFState_of_New_York_Department_of_Transportation1970" class="citation map cs1"><a href="/wiki/State_of_New_York_Department_of_Transportation" class="mw-redirect" title="State of New York Department of Transportation">State of New York Department of Transportation</a> (January 1, 1970). <a rel="nofollow" class="external text" href="http://www.greaternyroads.info/pdfs/state70.pdf"><i>Official Description of Touring Routes in New York State</i></a> <span class="cs1-format">(PDF)</span> (Map). Albany: New York State Department of Transportation<span class="reference-accessdate">. Retrieved <span class="nowrap">February 3,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Official+Description+of+Touring+Routes+in+New+York+State&rft.place=Albany&rft.pub=New+York+State+Department+of+Transportation&rft.date=1970-01-01&rft.au=State+of+New+York+Department+of+Transportation&rft_id=http%3A%2F%2Fwww.greaternyroads.info%2Fpdfs%2Fstate70.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citing_sources#What_information_to_include" title="Wikipedia:Citing sources"><span title="A complete citation is needed. (February 2018)">full citation needed</span></a></i>]</sup></span> </li> <li id="cite_note-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-38">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://archive.today/20130210081736/http://watertown.ynn.com/content/top_stories/619597/fort-drum-connector-road-officially-open/">"Fort Drum connector road officially open"</a>. Syracuse, NY: <a href="/wiki/YNN_Central_New_York" class="mw-redirect" title="YNN Central New York">YNN Central New York</a>. December 6, 2012. Archived from <a rel="nofollow" class="external text" href="http://watertown.ynn.com/content/top_stories/619597/fort-drum-connector-road-officially-open/">the original</a> on February 10, 2013<span class="reference-accessdate">. Retrieved <span class="nowrap">February 2,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Fort+Drum+connector+road+officially+open&rft.date=2012-12-06&rft_id=http%3A%2F%2Fwatertown.ynn.com%2Fcontent%2Ftop_stories%2F619597%2Ffort-drum-connector-road-officially-open%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-39">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHighway_Data_Services_Bureau" class="citation web cs1">Highway Data Services Bureau. <a rel="nofollow" class="external text" href="https://www.dot.ny.gov/divisions/engineering/technical-services/hds-respository/NYSDOT_Traffic_Data_Report_2014.pdf">"2014 Traffic Volume Report for New York State"</a> <span class="cs1-format">(PDF)</span>. Albany: New York State Department of Transportation<span class="reference-accessdate">. Retrieved <span class="nowrap">February 2,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=2014+Traffic+Volume+Report+for+New+York+State&rft.place=Albany&rft.pub=New+York+State+Department+of+Transportation&rft.au=Highway+Data+Services+Bureau&rft_id=https%3A%2F%2Fwww.dot.ny.gov%2Fdivisions%2Fengineering%2Ftechnical-services%2Fhds-respository%2FNYSDOT_Traffic_Data_Report_2014.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-40">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAllen2003" class="citation news cs1">Allen, Calvin (July 16, 2003). <a rel="nofollow" class="external text" href="http://www.mountainx.com/article/11472/The-political-history-of-I-26">"The Political History of I-26"</a>. <i>Mountain Xpress</i>. Asheville, NC<span class="reference-accessdate">. Retrieved <span class="nowrap">February 2,</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Mountain+Xpress&rft.atitle=The+Political+History+of+I-26&rft.date=2003-07-16&rft.aulast=Allen&rft.aufirst=Calvin&rft_id=http%3A%2F%2Fwww.mountainx.com%2Farticle%2F11472%2FThe-political-history-of-I-26&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-41">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAmerican_Association_of_State_Highway_Officials1958" class="citation map cs1">American Association of State Highway Officials (June 27, 1958). <a class="external text" href="https://commons.wikimedia.org/wiki/File:Interstate_Highway_plan_June_27,_1958.jpg"><i>Official Route Numbering for the National System of Interstate and Defense Highways as Adopted by the American Association of State Highway Officials</i></a> (Map). Scale not given. Washington, DC: American Association of State Highway Officials<span class="reference-accessdate">. Retrieved <span class="nowrap">February 7,</span> 2018</span> – via Wikimedia Commons.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Official+Route+Numbering+for+the+National+System+of+Interstate+and+Defense+Highways+as+Adopted+by+the+American+Association+of+State+Highway+Officials&rft.place=Washington%2C+DC&rft.pub=American+Association+of+State+Highway+Officials&rft.date=1958-06-27&rft.au=American+Association+of+State+Highway+Officials&rft_id=https%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3AInterstate_Highway_plan_June_27%2C_1958.jpg&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+81" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_81&action=edit&section=12" title="Edit section: External 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.navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Interstates" title="Template:Interstates"><abbr title="View this template" style="color:white">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Interstates" title="Template talk:Interstates"><abbr title="Discuss this template" style="color:white">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Interstates" title="Special:EditPage/Template:Interstates"><abbr title="Edit this template" style="color:white">e</abbr></a></li></ul></div><div id="25px&#124;link=Interstate_Highway_System#Interstate_shield&#124;alt=Blank_Interstate_shield_Primary_Interstate_Highways365" style="font-size:114%;margin:0 4em"><span typeof="mw:File"><a href="/wiki/Interstate_Highway_System#Interstate_shield" title="Interstate Highway System"><img alt="Blank Interstate shield" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/I-blank.svg/25px-I-blank.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/I-blank.svg/38px-I-blank.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/I-blank.svg/50px-I-blank.svg.png 2x" data-file-width="601" data-file-height="601" /></a></span> Primary <a href="/wiki/Interstate_Highway_System" title="Interstate Highway System"><span class="tmpl-colored-link" style="color: white; text-decoration: inherit;">Interstate Highways</span></a></div></th></tr><tr><th scope="row" class="navbox-group" style="background:#006A4D; color:white;;width:1%">Signed</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Interstate_2" title="Interstate 2">2</a></li> <li><a href="/wiki/Interstate_4" title="Interstate 4">4</a></li> <li><a href="/wiki/Interstate_5" title="Interstate 5"><span style="background:#FCD116; padding:2px;">5</span></a></li> <li><a href="/wiki/Interstate_8" title="Interstate 8">8</a></li> <li><a href="/wiki/Interstate_10" title="Interstate 10"><span style="background:#FCD116; padding:2px;">10</span></a></li> <li><a href="/wiki/Interstate_11" title="Interstate 11">11</a></li> <li><a href="/wiki/Interstate_12" title="Interstate 12">12</a></li> <li><a href="/wiki/Interstate_14" title="Interstate 14">14</a></li> <li><a href="/wiki/Interstate_15" title="Interstate 15"><span style="background:#FCD116; padding:2px;">15</span></a></li> <li><a href="/wiki/Interstate_16" title="Interstate 16">16</a></li> <li><a href="/wiki/Interstate_17" title="Interstate 17">17</a></li> <li><a href="/wiki/Interstate_19" title="Interstate 19">19</a></li> <li><a href="/wiki/Interstate_20" title="Interstate 20"><span style="background:#FCD116; padding:2px;">20</span></a></li> <li><a href="/wiki/Interstate_22" title="Interstate 22">22</a></li> <li><a href="/wiki/Interstate_24" title="Interstate 24">24</a></li> <li><a href="/wiki/Interstate_25" title="Interstate 25"><span style="background:#FCD116; padding:2px;">25</span></a></li> <li><a href="/wiki/Interstate_26" title="Interstate 26">26</a></li> <li><a href="/wiki/Interstate_27" title="Interstate 27">27</a></li> <li><a href="/wiki/Interstate_29" title="Interstate 29">29</a></li> <li><a href="/wiki/Interstate_30" title="Interstate 30"><span style="background:#FCD116; padding:2px;">30</span></a></li> <li><i><a href="/wiki/Interstate_31" class="mw-redirect" title="Interstate 31">31</a></i></li> <li><a href="/wiki/Interstate_35" title="Interstate 35"><span style="background:#FCD116; padding:2px;">35</span></a></li> <li><a href="/wiki/Interstate_37" title="Interstate 37">37</a></li> <li><a href="/wiki/Interstate_39" title="Interstate 39">39</a></li> <li><a href="/wiki/Interstate_40" title="Interstate 40"><span style="background:#FCD116; padding:2px;">40</span></a></li> <li><a href="/wiki/Interstate_41" title="Interstate 41">41</a></li> <li><a href="/wiki/Interstate_42" title="Interstate 42">42</a></li> <li><a href="/wiki/Interstate_43" title="Interstate 43">43</a></li> <li><a href="/wiki/Interstate_44" title="Interstate 44">44</a></li> <li><a href="/wiki/Interstate_45" title="Interstate 45"><span style="background:#FCD116; padding:2px;">45</span></a></li> <li><a href="/wiki/Interstate_49" title="Interstate 49">49</a></li> <li><a href="/wiki/Interstate_55" title="Interstate 55"><span style="background:#FCD116; padding:2px;">55</span></a></li> <li><a href="/wiki/Interstate_57" title="Interstate 57">57</a></li> <li><a href="/wiki/Interstate_59" title="Interstate 59">59</a></li> <li><a href="/wiki/Interstate_64" title="Interstate 64">64</a></li> <li><a href="/wiki/Interstate_65" title="Interstate 65"><span style="background:#FCD116; padding:2px;">65</span></a></li> <li>66 <ul><li><i><a href="/wiki/Interstate_66_(Kansas%E2%80%93Kentucky)" title="Interstate 66 (Kansas–Kentucky)">KS–KY</a></i></li> <li><a href="/wiki/Interstate_66" title="Interstate 66">VA–DC</a></li></ul></li> <li><a href="/wiki/Interstate_68" title="Interstate 68">68</a></li> <li><a href="/wiki/Interstate_69" title="Interstate 69">69</a></li> <li><a href="/wiki/Interstate_70" title="Interstate 70"><span style="background:#FCD116; padding:2px;">70</span></a></li> <li><a href="/wiki/Interstate_71" title="Interstate 71">71</a></li> <li><a href="/wiki/Interstate_72" title="Interstate 72">72</a></li> <li><a href="/wiki/Interstate_73" title="Interstate 73">73</a></li> <li><a href="/wiki/Interstate_74" title="Interstate 74">74</a></li> <li><a href="/wiki/Interstate_75" title="Interstate 75"><span style="background:#FCD116; padding:2px;">75</span></a></li> <li>76 <ul><li><a href="/wiki/Interstate_76_(Colorado%E2%80%93Nebraska)" title="Interstate 76 (Colorado–Nebraska)">CO–NE</a></li> <li><a href="/wiki/Interstate_76_(Ohio%E2%80%93New_Jersey)" title="Interstate 76 (Ohio–New Jersey)">OH–NJ</a></li></ul></li> <li><a href="/wiki/Interstate_77" title="Interstate 77">77</a></li> <li><a href="/wiki/Interstate_78" title="Interstate 78">78</a></li> <li><a href="/wiki/Interstate_79" title="Interstate 79">79</a></li> <li><a href="/wiki/Interstate_80" title="Interstate 80"><span style="background:#FCD116; padding:2px;">80</span></a></li> <li><a class="mw-selflink selflink">81</a></li> <li>82 <ul><li><a href="/wiki/Interstate_82" title="Interstate 82">WA–OR</a></li> <li><i><a href="/wiki/Interstate_82_(Pennsylvania%E2%80%93New_York)" title="Interstate 82 (Pennsylvania–New York)">PA–NY</a></i></li> <li><i><a href="/wiki/Interstate_82_(Connecticut%E2%80%93Rhode_Island)" class="mw-redirect" title="Interstate 82 (Connecticut–Rhode Island)">CT–RI</a></i></li></ul></li> <li><a href="/wiki/Interstate_83" title="Interstate 83">83</a></li> <li>84 <ul><li><a href="/wiki/Interstate_84_(Oregon%E2%80%93Utah)" title="Interstate 84 (Oregon–Utah)">OR–UT</a></li> <li><a href="/wiki/Interstate_84_(Pennsylvania%E2%80%93Massachusetts)" title="Interstate 84 (Pennsylvania–Massachusetts)">PA–MA</a></li></ul></li> <li><a href="/wiki/Interstate_85" title="Interstate 85"><span style="background:#FCD116; padding:2px;">85</span></a></li> <li>86 <ul><li><a href="/wiki/Interstate_86_(Idaho)" title="Interstate 86 (Idaho)">ID</a></li> <li><a href="/wiki/Interstate_86_(Pennsylvania%E2%80%93New_York)" title="Interstate 86 (Pennsylvania–New York)">PA–NY</a></li> <li><i><a href="/wiki/Interstate_86_(Connecticut%E2%80%93Massachusetts)" class="mw-redirect" title="Interstate 86 (Connecticut–Massachusetts)">CT–MA</a></i></li></ul></li> <li>87 <ul><li><a href="/wiki/Interstate_87_(North_Carolina)" title="Interstate 87 (North Carolina)">NC</a></li> <li><a href="/wiki/Interstate_87_(New_York)" title="Interstate 87 (New York)">NY</a></li></ul></li> <li>88 <ul><li><a href="/wiki/Interstate_88_(Illinois)" title="Interstate 88 (Illinois)">IL</a></li> <li><a href="/wiki/Interstate_88_(New_York)" title="Interstate 88 (New York)">NY</a></li></ul></li> <li><a href="/wiki/Interstate_89" title="Interstate 89">89</a></li> <li><a href="/wiki/Interstate_90" title="Interstate 90"><span style="background:#FCD116; padding:2px;">90</span></a></li> <li><a href="/wiki/Interstate_91" title="Interstate 91">91</a></li> <li><a href="/wiki/Interstate_93" title="Interstate 93">93</a></li> <li><a href="/wiki/Interstate_94" title="Interstate 94">94</a></li> <li><a href="/wiki/Interstate_95" title="Interstate 95"><span style="background:#FCD116; padding:2px;">95</span></a></li> <li><a href="/wiki/Interstate_96" title="Interstate 96">96</a></li> <li><a href="/wiki/Interstate_97" title="Interstate 97">97</a></li> <li><a href="/wiki/Interstate_99" title="Interstate 99">99</a></li> <li><a href="/wiki/Interstate_H-1" title="Interstate H-1">H-1</a></li> <li><a href="/wiki/Interstate_H-2" title="Interstate H-2">H-2</a></li> <li><a href="/wiki/Interstate_H-3" title="Interstate H-3">H-3</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background:#006A4D; color:white;;width:1%">Unsigned</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_Interstate_Highways_in_Alaska" title="List of Interstate Highways in Alaska">A-1</a></li> <li><a href="/wiki/List_of_Interstate_Highways_in_Alaska" title="List of Interstate Highways in Alaska">A-2</a></li> <li><a href="/wiki/List_of_Interstate_Highways_in_Alaska" title="List of Interstate Highways in Alaska">A-3</a></li> <li><a href="/wiki/George_Parks_Highway" title="George Parks Highway">A-4</a></li> <li><a href="/wiki/Puerto_Rico_Highway_52" title="Puerto Rico Highway 52">PRI-1</a></li> <li><a href="/wiki/Puerto_Rico_Highway_22" title="Puerto Rico Highway 22">PRI-2</a></li> <li><a href="/wiki/Puerto_Rico_Highway_53" title="Puerto Rico Highway 53">PRI-3</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background:#006A4D; color:white;;width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_Interstate_Highways" title="List of Interstate Highways">Primary</a></li> <li><a href="/wiki/List_of_auxiliary_Interstate_Highways" title="List of auxiliary Interstate Highways">Auxiliary</a></li> <li><a href="/wiki/List_of_suffixed_Interstate_Highways" title="List of suffixed Interstate Highways">Suffixed</a></li> <li><a href="/wiki/List_of_business_routes_of_the_Interstate_Highway_System" title="List of business routes of the Interstate Highway System">Business</a></li> <li><a href="/wiki/List_of_future_Interstate_Highways" title="List of future Interstate Highways">Future</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background:#006A4D; color:white;;width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Interstate_Highway_standards" title="Interstate Highway standards">Standards</a></li> <li><a href="/wiki/List_of_gaps_in_Interstate_Highways" title="List of gaps in Interstate Highways">Gaps</a></li> <li><a href="/wiki/Category:Tolled_sections_of_Interstate_Highways" title="Category:Tolled sections of Interstate Highways">Tolled</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background:#006A4D; color:white;;background:#FCD116; color:black;"><div>Routes in <i>italics</i> are no longer a part of the system. Major Interstates are highlighted.</div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Auxiliary_routes_of_Interstate_81161" style="padding:3px"><table class="nowraplinks mw-collapsible expand navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3" style="background:#006A4D; color:white;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:I-81_aux" title="Template:I-81 aux"><abbr title="View this template" style="color:white">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:I-81_aux" title="Template talk:I-81 aux"><abbr title="Discuss this template" style="color:white">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:I-81_aux" title="Special:EditPage/Template:I-81 aux"><abbr title="Edit this template" style="color:white">e</abbr></a></li></ul></div><div id="Auxiliary_routes_of_Interstate_81161" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_auxiliary_Interstate_Highways" title="List of auxiliary Interstate Highways"><span style="color:white;">Auxiliary routes</span></a> of <a class="mw-selflink selflink"><span style="color:white;">Interstate 81</span></a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/Interstate_81_in_Tennessee" title="Interstate 81 in Tennessee">Tennessee</a></b> <ul><li><a href="/wiki/U.S._Route_23_in_Tennessee" title="U.S. Route 23 in Tennessee">181</a><sup>1</sup></li></ul></li> <li><b><a href="/wiki/Interstate_81_in_Virginia" title="Interstate 81 in Virginia">Virginia</a></b> <ul><li><a href="/wiki/Interstate_381" class="mw-redirect" title="Interstate 381">381</a></li> <li><a href="/wiki/Interstate_581" title="Interstate 581">581</a></li></ul></li> <li><b><a href="/wiki/Interstate_81_in_New_York" title="Interstate 81 in New York">New York</a></b> <ul><li><a href="/wiki/Interstate_481" title="Interstate 481">281</a><sup>1</sup></li> <li><a href="/wiki/Interstate_481" title="Interstate 481">481</a></li> <li><a href="/wiki/Interstate_781" title="Interstate 781">781</a></li> <li><a href="/wiki/Interstate_81_in_New_York" title="Interstate 81 in New York">Business</a><sup>2</sup></li></ul></li></ul> </div></td><td class="noviewer navbox-image" rowspan="2" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:I-81.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/I-81.svg/40px-I-81.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/I-81.svg/60px-I-81.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7b/I-81.svg/80px-I-81.svg.png 2x" data-file-width="601" data-file-height="601" /></a></span></div></td></tr><tr><td colspan="2" class="navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><sup>1</sup>Former <sup>2</sup>Future</li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q94877#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata497" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q94877#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata497" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q94877#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/315130733">VIAF</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Geographic</th><td 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