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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-Future" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Future"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Future</span> </div> </a> <ul id="toc-Future-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Exit_list" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Exit_list"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Exit list</span> </div> </a> <ul id="toc-Exit_list-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Interstate_270_Spur" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Interstate_270_Spur"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Interstate 270 Spur</span> </div> </a> <button aria-controls="toc-Interstate_270_Spur-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Interstate 270 Spur subsection</span> </button> <ul id="toc-Interstate_270_Spur-sublist" class="vector-toc-list"> <li id="toc-Exit_list_2" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Exit_list_2"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Exit list</span> </div> </a> <ul id="toc-Exit_list_2-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> 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.header-IND{background:#128807;color:#fff}.mw-parser-output .header-ISL{background:#ffd200;border:2px solid #000}.mw-parser-output .header-ISR{background:#007e00;color:#fff}.mw-parser-output .header-ISR-freeway{background:#0000fe;color:#fff}.mw-parser-output .header-JPN{background:#0066b3;color:#fff}.mw-parser-output .header-JPN-Exp{background:#005d35;color:#fff}.mw-parser-output .header-KOS{background:#06c;color:#fff}.mw-parser-output .header-KOS-R,.mw-parser-output .header-PHL{background:#093;color:#fff}.mw-parser-output .header-MDG{background:#fff;color:#af1e2d;border:2px solid #000}.mw-parser-output .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-270.svg" class="mw-file-description"><img alt="Interstate 270 marker" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/90px-I-270.svg.png" decoding="async" width="90" height="72" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/135px-I-270.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/180px-I-270.svg.png 2x" data-file-width="751" data-file-height="601" /></a></span></div><div style="margin:0.1em;">Interstate 270</div></div></th></tr><tr><td colspan="2" class="infobox-subheader">Dwight D. Eisenhower Highway<br />Washington National Pike</td></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-zoom="9" data-lat="39.202" data-lon="-77.264" data-overlays="["_44eba98526a7e36ee7b1cfb6a73d7da3d72879ae"]" href="/wiki/Special:Map/9/39.202/-77.264/en"><img src="https://maps.wikimedia.org/img/osm-intl,9,39.202,-77.264,290x290.png?lang=en&domain=en.wikipedia.org&title=Interstate_270_%28Maryland%29&revid=1247277395&groups=_44eba98526a7e36ee7b1cfb6a73d7da3d72879ae" width="290" height="290" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,9,39.202,-77.264,290x290@2x.png?lang=en&domain=en.wikipedia.org&title=Interstate_270_%28Maryland%29&revid=1247277395&groups=_44eba98526a7e36ee7b1cfb6a73d7da3d72879ae 2x" alt="Map" /></a></div><div class="infobox-caption">I-270 highlighted in red; I-270 Spur in blue</div></td></tr><tr><th colspan="2" class="infobox-header header-USA">Route information</th></tr><tr><td colspan="2" class="infobox-full-data">Auxiliary route of <a href="/wiki/Interstate_70_in_Maryland" title="Interstate 70 in Maryland">I-70</a></td></tr><tr><td colspan="2" class="infobox-full-data">Maintained by <a href="/wiki/MDSHA" class="mw-redirect" title="MDSHA">MDSHA</a></td></tr><tr><th scope="row" class="infobox-label">Length</th><td class="infobox-data">34.70 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> (55.84 km)<div>32.60 mi (52.46 km) mainline<sup id="cite_ref-MarylandHLR_2-0" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><br />2.10 mi (3.38 km) spur<sup id="cite_ref-MarylandHLR_2-1" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></div></td></tr><tr><th scope="row" class="infobox-label">Existed</th><td class="infobox-data plainlist">1975–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/8/8c/I-495.svg/30px-I-495.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/45px-I-495.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/60px-I-495.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/8/8c/MD_Route_355.svg/30px-MD_Route_355.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/MD_Route_355.svg/45px-MD_Route_355.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/MD_Route_355.svg/60px-MD_Route_355.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Interstate_495_(Capital_Beltway)" class="mw-redirect" title="Interstate 495 (Capital Beltway)">I-495</a> / <a href="/wiki/Maryland_Route_355" title="Maryland Route 355">MD 355</a> in <a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda</a></td></tr><tr><th scope="row" class="infobox-label"><span style="display:none;">Major intersections</span></th><td class="infobox-data plainlist"> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/MD_Route_28.svg/24px-MD_Route_28.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/MD_Route_28.svg/36px-MD_Route_28.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d2/MD_Route_28.svg/48px-MD_Route_28.svg.png 2x" data-file-width="2400" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_28" title="Maryland Route 28">MD 28</a> in <a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville</a></li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/I-370.svg/30px-I-370.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/I-370.svg/45px-I-370.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8e/I-370.svg/60px-I-370.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Interstate_370" title="Interstate 370">I-370</a> / Sam Eig Highway in <a href="/wiki/Gaithersburg,_Maryland" title="Gaithersburg, Maryland">Gaithersburg</a></li></ul> </td></tr><tr><th scope="row" class="infobox-label">North end</th><td class="infobox-data"><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><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/Interstate_70_in_Maryland" title="Interstate 70 in Maryland">I-70</a> / <a href="/wiki/U.S._Route_40_in_Maryland" title="U.S. Route 40 in Maryland">US 40</a> in <a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</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">State</th><td class="infobox-data"><a href="/wiki/Maryland" title="Maryland">Maryland</a></td></tr><tr><th scope="row" class="infobox-label">Counties</th><td class="infobox-data"><a href="/wiki/Montgomery_County,_Maryland" title="Montgomery County, Maryland">Montgomery</a>, <a href="/wiki/Frederick_County,_Maryland" title="Frederick County, Maryland">Frederick</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> <ul><li><b><a href="/wiki/Maryland_highway_system" title="Maryland highway system">Maryland highway system</a></b></li></ul> <ul><li><a href="/wiki/List_of_Interstate_Highways_in_Maryland" title="List of Interstate Highways in Maryland">Interstate</a></li> <li><a href="/wiki/List_of_U.S._Highways_in_Maryland" title="List of U.S. Highways in Maryland">US</a></li> <li><a href="/wiki/List_of_state_highways_in_Maryland" title="List of state highways in Maryland">State</a></li> <li><a href="/wiki/List_of_Maryland_Scenic_Byways" title="List of Maryland Scenic Byways">Scenic Byways</a></li></ul> </td></tr><tr><td colspan="2" class="infobox-full-data"><style data-mw-deduplicate="TemplateStyles:r1241597584">.mw-parser-output .browse-table{width:100%;background:none;border-collapse:collapse;display:table;margin:0}.mw-parser-output .browse-table+.browse-table,.mw-parser-output .browse-table+link+.browse-table,.mw-parser-output .browse-table+style+.browse-table{margin-top:3px}.mw-parser-output .browse-table td{padding:0;border:none;vertical-align:middle}.mw-parser-output .browse-table tr:not(:first-child) td{padding-top:3px}</style><table class="browse-table"><tbody><tr><td style="text-align:left">← <span style="display:inline-block"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/MD_Route_268.svg/24px-MD_Route_268.svg.png" decoding="async" width="24" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/MD_Route_268.svg/36px-MD_Route_268.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/MD_Route_268.svg/48px-MD_Route_268.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_268" class="mw-redirect" title="Maryland Route 268">MD 268</a></span></td><td style="padding-right:3px;padding-left:3px;text-align:center;white-space:nowrap"></td><td style="text-align:right;direction:rtl">→ <span style="display:inline-block"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/MD_Route_270.svg/24px-MD_Route_270.svg.png" decoding="async" width="24" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/MD_Route_270.svg/36px-MD_Route_270.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/81/MD_Route_270.svg/48px-MD_Route_270.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_270" title="Maryland Route 270">MD 270</a></span></td></tr></tbody></table></td></tr></tbody></table> <p><b>Interstate 270</b> (<b>I-270</b>) is a 34.7-mile (55.8 km) <a href="/wiki/Auxiliary_Interstate_Highway" class="mw-redirect" title="Auxiliary Interstate Highway">auxiliary Interstate Highway</a> in the <a href="/wiki/U.S._state" title="U.S. state">U.S. state</a> of <a href="/wiki/Maryland" title="Maryland">Maryland</a> that travels from <a href="/wiki/Interstate_495_(Maryland%E2%80%93Virginia)" class="mw-redirect" title="Interstate 495 (Maryland–Virginia)">I-495</a> (Capital Beltway) just north of <a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda</a> in <a href="/wiki/Montgomery_County,_Maryland" title="Montgomery County, Maryland">Montgomery County</a> north to <a href="/wiki/Interstate_70_in_Maryland" title="Interstate 70 in Maryland">I-70</a> in the city of <a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</a> in <a href="/wiki/Frederick_County,_Maryland" title="Frederick County, Maryland">Frederick County</a>. It consists of the 32.6-mile (52.5 km) mainline as well as a 2.1-mile (3.4 km) spur that provides access to and from southbound I-495. I-270 is known as the <b>Washington National Pike</b>, and makes up the easternmost stretch of the <b>Dwight D. Eisenhower Highway</b>.<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> Most of the southern part of the route in Montgomery County passes through suburban areas around <a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville</a> and <a href="/wiki/Gaithersburg,_Maryland" title="Gaithersburg, Maryland">Gaithersburg</a> that are home to many <a href="/wiki/Biotech" class="mw-redirect" title="Biotech">biotech</a> firms. This portion of I-270 is up to 12 lanes wide and consists of a <a href="/wiki/Local%E2%80%93express_lane" class="mw-redirect" title="Local–express lane">local–express lane</a> configuration as well as <a href="/wiki/High-occupancy_vehicle_lane" title="High-occupancy vehicle lane">high-occupancy vehicle lanes</a> (HOV lanes) that are in operation during peak travel times. North of the Gaithersburg area, the road continues through the northern part of Montgomery County, passing <a href="/wiki/Germantown,_Maryland" title="Germantown, Maryland">Germantown</a> and <a href="/wiki/Clarksburg,_Maryland" title="Clarksburg, Maryland">Clarksburg</a> as a six- to eight-lane highway with an HOV lane in the northbound direction only. North of here, I-270 continues through rural areas into Frederick County and toward the city of Frederick as a four-lane freeway. </p><p>The freeway was built between 1953 and 1960 as the Washington National Pike between Bethesda and Frederick and carried <a href="/wiki/U.S._Route_240" title="U.S. Route 240">U.S. Route 240</a> (US 240), which was rerouted off what is now <a href="/wiki/Maryland_Route_355" title="Maryland Route 355">Maryland Route 355</a> (MD 355) between these two points. With the creation of the <a href="/wiki/Interstate_Highway_System" title="Interstate Highway System">Interstate Highway System</a> a few years later, the road was designated as <b>I-70S</b> along with US 240. There were plans to extend I-70S to <a href="/wiki/Interstate_95" title="Interstate 95">I-95</a> in <a href="/wiki/Washington,_D.C." title="Washington, D.C.">Washington, D.C.</a>, on the <a href="/wiki/North_Central_Freeway_(DC)" class="mw-redirect" title="North Central Freeway (DC)">North Central Freeway</a> from the Capital Beltway; however, they were canceled in the 1970s due to opposition from residents in the freeway's path. The concurrent US 240 designation was removed in 1972 and I-70S became I-270 in 1975. Increasing traffic levels led to a $200-million (equivalent to $496 million in 2023<sup id="cite_ref-inflation-USGDP_4-0" class="reference"><a href="#cite_note-inflation-USGDP-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>) widening of the road in Montgomery County to its current configuration. Many improvements are slated for I-270, including the widening of the route that would add <a href="/wiki/High-occupancy_toll_lane" title="High-occupancy toll lane">high-occupancy toll lanes</a> (HOT lanes). </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_270_(Maryland)&action=edit&section=1" title="Edit section: Route description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:2019-06-18_12_46_01_View_north_along_Interstate_270_(Washington_National_Pike)_at_the_split_between_the_Express_Lanes_and_the_Local_Lanes_on_the_edge_of_North_Betheda_and_Potomac_in_Montgomery_County,_Maryland.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/2019-06-18_12_46_01_View_north_along_Interstate_270_%28Washington_National_Pike%29_at_the_split_between_the_Express_Lanes_and_the_Local_Lanes_on_the_edge_of_North_Betheda_and_Potomac_in_Montgomery_County%2C_Maryland.jpg/220px-thumbnail.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/2019-06-18_12_46_01_View_north_along_Interstate_270_%28Washington_National_Pike%29_at_the_split_between_the_Express_Lanes_and_the_Local_Lanes_on_the_edge_of_North_Betheda_and_Potomac_in_Montgomery_County%2C_Maryland.jpg/330px-thumbnail.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/43/2019-06-18_12_46_01_View_north_along_Interstate_270_%28Washington_National_Pike%29_at_the_split_between_the_Express_Lanes_and_the_Local_Lanes_on_the_edge_of_North_Betheda_and_Potomac_in_Montgomery_County%2C_Maryland.jpg/440px-thumbnail.jpg 2x" data-file-width="4032" data-file-height="3024" /></a><figcaption>I-270 northbound near the exit for Montrose Road in North Bethesda</figcaption></figure> <p>I-270 heads northwest from an interchange with <a href="/wiki/Interstate_495_(Maryland%E2%80%93Virginia)" class="mw-redirect" title="Interstate 495 (Maryland–Virginia)">I-495</a> (Capital Beltway) and <a href="/wiki/Maryland_Route_355" title="Maryland Route 355">MD 355</a> (Rockville Pike) in suburban <a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda</a>, <a href="/wiki/Montgomery_County,_Maryland" title="Montgomery County, Maryland">Montgomery County</a>, as a six-lane <a href="/wiki/Freeway" class="mw-redirect" title="Freeway">freeway</a>.<sup id="cite_ref-MarylandHLR_2-2" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-0" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The left lane on each side is used as an <a href="/wiki/HOV_lane" class="mw-redirect" title="HOV lane">HOV lane</a> for carpools with two or more people in the northbound direction between 3:30 and 6:30 pm on weekdays and in the southbound direction between 6:00 and 9:00 am on weekdays.<sup id="cite_ref-MarylandHLR_2-3" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-1" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-hov_6-0" class="reference"><a href="#cite_note-hov-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> At the southern terminus, I-270 only has access to and from the eastbound direction of I-495.<sup id="cite_ref-google_5-2" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The road turns west and comes to an interchange with <a href="/wiki/Maryland_Route_187" title="Maryland Route 187">MD 187</a> (Old Georgetown Road) and Rockledge Drive (unsigned <a href="/wiki/Maryland_Route_187B" class="mw-redirect" title="Maryland Route 187B">MD 187B</a>). From there, I-270 continues west as a 10-lane freeway and merges with I-270 Spur, which provides access to and from southbound I-495. Past this interchange, I-270 continues north as a 12-lane freeway with an HOV lane and five travel lanes in each direction. The route passes through wooded suburban areas, where, prior to the <a href="/wiki/Cloverleaf_interchange" title="Cloverleaf interchange">cloverleaf interchange</a> with <a href="/wiki/Montrose_Road" class="mw-redirect" title="Montrose Road">Montrose Road</a> (unsigned <a href="/wiki/Maryland_Route_927" class="mw-redirect" title="Maryland Route 927">MD 927</a>), I-270 takes on a <a href="/wiki/Local%E2%80%93express_lane" class="mw-redirect" title="Local–express lane">local–express lane</a> configuration with the outer two lanes serving as local lanes and the inner three lanes and the HOV lane serving as express lanes.<sup id="cite_ref-MarylandHLR_2-4" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-3" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Past Montrose Road, I-270 continues north into the <a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville</a> area, turning northwest before it comes to a <a href="/wiki/Single-point_urban_interchange" title="Single-point urban interchange">single-point urban interchange</a> with <a href="/wiki/Maryland_Route_189" title="Maryland Route 189">MD 189</a> (Falls Road), where the highway sees 253,620 vehicles daily.<sup id="cite_ref-MarylandHLR_2-5" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-4" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The road continues to a modified cloverleaf interchange with <a href="/wiki/Maryland_Route_28" title="Maryland Route 28">MD 28</a> (Montgomery Avenue).<sup id="cite_ref-google_5-5" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Past MD 28, the freeway passes numerous business parks and some wooded areas before coming to an interchange with Shady Grove Road.<sup id="cite_ref-MarylandHLR_2-6" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-6" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:2019-06-18_13_36_41_View_north_along_Interstate_270_(Washington_National_Pike)_at_Exit_13B_(Middlebrook_Road_WEST)_in_Germantown,_Montgomery_County,_Maryland.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/2019-06-18_13_36_41_View_north_along_Interstate_270_%28Washington_National_Pike%29_at_Exit_13B_%28Middlebrook_Road_WEST%29_in_Germantown%2C_Montgomery_County%2C_Maryland.jpg/220px-thumbnail.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/2019-06-18_13_36_41_View_north_along_Interstate_270_%28Washington_National_Pike%29_at_Exit_13B_%28Middlebrook_Road_WEST%29_in_Germantown%2C_Montgomery_County%2C_Maryland.jpg/330px-thumbnail.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/43/2019-06-18_13_36_41_View_north_along_Interstate_270_%28Washington_National_Pike%29_at_Exit_13B_%28Middlebrook_Road_WEST%29_in_Germantown%2C_Montgomery_County%2C_Maryland.jpg/440px-thumbnail.jpg 2x" data-file-width="4032" data-file-height="3024" /></a><figcaption>I-270 northbound at the Middlebrook Road exit in Germantown</figcaption></figure> <p>Past this interchange, I-270 leaves Rockville and heads into <a href="/wiki/Gaithersburg,_Maryland" title="Gaithersburg, Maryland">Gaithersburg</a>, where it intersects <a href="/wiki/Interstate_370" title="Interstate 370">I-370</a>. This highway provides access to a <a href="/wiki/Park_and_ride" title="Park and ride">park and ride</a> lot at the <a href="/wiki/Shady_Grove_station" title="Shady Grove station">Shady Grove station</a>, which serves <a href="/wiki/Washington_Metro" title="Washington Metro">Washington Metro</a>'s <a href="/wiki/Red_Line_(Washington_Metro)" title="Red Line (Washington Metro)">Red Line</a>, and <a href="/wiki/Maryland_Route_200" title="Maryland Route 200">MD 200</a> (Intercounty Connector), which heads east to <a href="/wiki/Interstate_95_in_Maryland" title="Interstate 95 in Maryland">I-95</a> in <a href="/wiki/Laurel,_Maryland" title="Laurel, Maryland">Laurel</a>.<sup id="cite_ref-MarylandHLR_2-7" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-7" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Past I-370, the local lane configuration ends in the southbound direction, which now has an HOV lane and four travel lanes while the northbound direction still has an HOV lane, three express lanes, and two local lanes.<sup id="cite_ref-google_5-8" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> I-270 continues past more suburban development before coming to a northbound exit and southbound entrance with <a href="/wiki/Maryland_Route_117" title="Maryland Route 117">MD 117</a> (West Diamond Avenue).<sup id="cite_ref-MarylandHLR_2-8" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-9" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Past this interchange, the southbound HOV restrictions end and I-270 continues north with four travel lanes in the southbound direction and an HOV lane, three express lanes, and two local lanes in the northbound direction before reaching <a href="/wiki/Maryland_Route_124" title="Maryland Route 124">MD 124</a> (Quince Orchard Road).<sup id="cite_ref-MarylandHLR_2-9" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-10" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Past MD 124, the northbound local lanes continue to the <a href="/wiki/Diamond_interchange" title="Diamond interchange">diamond interchange</a> at Watkins Mill Road, after which they end. From there, I-270 heads northwest as an eight-lane freeway with four southbound lanes, an HOV lane, and three travel lanes northbound. It passes through wooded areas, leaving Gaithersburg and comes to an interchange with Middlebrook Road.<sup id="cite_ref-google_5-11" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The freeway narrows to six lanes again past at this interchange, with three lanes in each direction, including a northbound HOV lane. I-270 continues into the <a href="/wiki/Germantown,_Maryland" title="Germantown, Maryland">Germantown</a> area and interchanges with <a href="/wiki/Maryland_Route_118" title="Maryland Route 118">MD 118</a> (Germantown Road). A short distance later, after passing by some business parks, I-270 comes to an interchange with <a href="/wiki/Maryland_Route_27" title="Maryland Route 27">MD 27</a> (Ridge Road) and Father Hurley Boulevard.<sup id="cite_ref-MarylandHLR_2-10" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-12" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Past MD 27, I-270 heads into more rural areas of woods with some farm fields, paralleled by a set of <a href="/wiki/Power_line" class="mw-redirect" title="Power line">power lines</a>.<sup id="cite_ref-google_5-13" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The road has an interchange with <a href="/wiki/Maryland_Route_121" title="Maryland Route 121">MD 121</a> (Clarksburg Road) in <a href="/wiki/Clarksburg,_Maryland" title="Clarksburg, Maryland">Clarksburg</a> near the Clarksburg Premium Outlets, and the northbound HOV restriction ends past this interchange, with I-270 continuing north as a four-lane freeway.<sup id="cite_ref-MarylandHLR_2-11" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The power lines stop paralleling the route, and it continues through more rural areas of woods and farms, running closely parallel to MD 355. The median widens, with trees in the middle, and I-270 has <a href="/wiki/Weigh_station" title="Weigh station">weigh stations</a> on both sides.<sup id="cite_ref-google_5-14" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The highway reaches <a href="/wiki/Hyattstown,_Maryland" title="Hyattstown, Maryland">Hyattstown</a>, where it has an interchange with <a href="/wiki/Maryland_Route_109" title="Maryland Route 109">MD 109</a> (Old Hundred Road).<sup id="cite_ref-MarylandHLR_2-12" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-15" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:1534_-_Frederick_-_I270_NB_north_of_Baker_Valley_Rd.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/1534_-_Frederick_-_I270_NB_north_of_Baker_Valley_Rd.JPG/220px-1534_-_Frederick_-_I270_NB_north_of_Baker_Valley_Rd.JPG" decoding="async" width="220" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/1534_-_Frederick_-_I270_NB_north_of_Baker_Valley_Rd.JPG/330px-1534_-_Frederick_-_I270_NB_north_of_Baker_Valley_Rd.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5e/1534_-_Frederick_-_I270_NB_north_of_Baker_Valley_Rd.JPG/440px-1534_-_Frederick_-_I270_NB_north_of_Baker_Valley_Rd.JPG 2x" data-file-width="4000" data-file-height="2900" /></a><figcaption>I-270 northbound approaching Frederick</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:2019-05-19_18_37_30_View_north_at_the_end_of_Interstate_270_(Washington_National_Pike)_at_U.S._Route_40_(Frederick_Freeway)_in_Frederick,_Frederick_County,_Maryland.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/2019-05-19_18_37_30_View_north_at_the_end_of_Interstate_270_%28Washington_National_Pike%29_at_U.S._Route_40_%28Frederick_Freeway%29_in_Frederick%2C_Frederick_County%2C_Maryland.jpg/220px-thumbnail.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/2019-05-19_18_37_30_View_north_at_the_end_of_Interstate_270_%28Washington_National_Pike%29_at_U.S._Route_40_%28Frederick_Freeway%29_in_Frederick%2C_Frederick_County%2C_Maryland.jpg/330px-thumbnail.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/2019-05-19_18_37_30_View_north_at_the_end_of_Interstate_270_%28Washington_National_Pike%29_at_U.S._Route_40_%28Frederick_Freeway%29_in_Frederick%2C_Frederick_County%2C_Maryland.jpg/440px-thumbnail.jpg 2x" data-file-width="4032" data-file-height="3024" /></a><figcaption>Northern terminus of I-270 in Frederick</figcaption></figure> <p>A short distance past the MD 109 interchange, I-270 crosses into <a href="/wiki/Frederick_County,_Maryland" title="Frederick County, Maryland">Frederick County</a>, continuing northwest through rural woodland and farmland. It reaches the <a href="/wiki/Urbana,_Maryland" title="Urbana, Maryland">Urbana</a> area, where the route has an interchange with <a href="/wiki/Maryland_Route_80" title="Maryland Route 80">MD 80</a> (Fingerboard Road).<sup id="cite_ref-MarylandHLR_2-13" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-16" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The highway briefly runs along the east side of MD 80 past this interchange before continuing through agricultural areas. It features a <a href="/wiki/Scenic_overlook" class="mw-redirect" title="Scenic overlook">scenic overlook</a> in the northbound direction as the road passes through <a href="/wiki/Monocacy_National_Battlefield" title="Monocacy National Battlefield">Monocacy National Battlefield</a>, which was the site of the <a href="/wiki/Battle_of_Monocacy" title="Battle of Monocacy">Battle of Monocacy</a>. I-270 eventually leaves the battlefield area and continues into the commercial outskirts of <a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</a>.<sup id="cite_ref-google_5-17" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Here, the road reaches an interchange with <a href="/wiki/Maryland_Route_85" title="Maryland Route 85">MD 85</a> (Buckeystown Pike) near the <a href="/wiki/Francis_Scott_Key_Mall" title="Francis Scott Key Mall">Francis Scott Key Mall</a>. I-270 continues through commercial areas before coming to its northern terminus at an interchange with <a href="/wiki/Interstate_70_in_Maryland" title="Interstate 70 in Maryland">I-70</a> and <a href="/wiki/U.S._Route_40_in_Maryland" title="U.S. Route 40 in Maryland">US 40</a> (Baltimore National Pike).<sup id="cite_ref-MarylandHLR_2-14" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google_5-18" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Past this interchange, the freeway continues north as the Frederick Freeway, a part of US 40 that interchanges with <a href="/wiki/U.S._Route_15_in_Maryland" title="U.S. Route 15 in Maryland">US 15</a> and <a href="/wiki/U.S._Route_340" title="U.S. Route 340">US 340</a> a short distance north of I-270’s northern terminus.<sup id="cite_ref-google_5-19" class="reference"><a href="#cite_note-google-5"><span class="cite-bracket">[</span>5<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_270_(Maryland)&action=edit&section=2" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239840523"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><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-70S_(MD_1957).svg" class="mw-file-description"><img alt="Interstate 70S marker" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/I-70S_%28MD_1957%29.svg/40px-I-70S_%28MD_1957%29.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/I-70S_%28MD_1957%29.svg/60px-I-70S_%28MD_1957%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/I-70S_%28MD_1957%29.svg/80px-I-70S_%28MD_1957%29.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></div><div style="margin:0.1em;">Interstate 70S</div></div></th></tr><tr><td colspan="2" class="infobox-subheader"><div class="header-deleted" style="margin:0; height:.5em;"></div></td></tr><tr><th scope="row" class="infobox-label">Location</th><td class="infobox-data"><a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</a>–<a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda</a></td></tr><tr><th scope="row" class="infobox-label">Existed</th><td class="infobox-data">1959–1975</td></tr></tbody></table> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:District_of_Columbia_1955_Yellow_Book.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/71/District_of_Columbia_1955_Yellow_Book.jpg/200px-District_of_Columbia_1955_Yellow_Book.jpg" decoding="async" width="200" height="243" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/71/District_of_Columbia_1955_Yellow_Book.jpg/300px-District_of_Columbia_1955_Yellow_Book.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/71/District_of_Columbia_1955_Yellow_Book.jpg/400px-District_of_Columbia_1955_Yellow_Book.jpg 2x" data-file-width="800" data-file-height="971" /></a><figcaption>1955 <a href="/wiki/Yellow_Book_(Interstate_system)" class="mw-redirect" title="Yellow Book (Interstate system)">Yellow Book</a> map of Washington, D.C., showing a proposed Interstate Highway running to Frederick.</figcaption></figure> <p>On November 20, 1944, the <a href="/wiki/National_Capital_Planning_Commission" title="National Capital Planning Commission">National Capital Park and Planning Commission</a> (NCPC) announced plans to build a freeway through Montgomery County.<sup id="cite_ref-express_7-0" class="reference"><a href="#cite_note-express-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> The freeway would bypass Bethesda, Rockville, and Gaithersburg.<sup id="cite_ref-express_7-1" class="reference"><a href="#cite_note-express-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Under one proposed route, the freeway would end at <a href="/wiki/U.S._Route_240" title="U.S. Route 240">US 240</a> (present-day MD 355) north of Gaithersburg, while another proposal had the freeway continuing to Hagerstown.<sup id="cite_ref-chamber_8-0" class="reference"><a href="#cite_note-chamber-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-study_9-0" class="reference"><a href="#cite_note-study-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> South of Bethesda, one proposal had the freeway connecting with Macarthur Boulevard in the <a href="/wiki/District_of_Columbia" class="mw-redirect" title="District of Columbia">District of Columbia</a>, while another proposal had the freeway going around Cabin John and connect with Macarthur Boulevard in Maryland.<sup id="cite_ref-express_7-2" class="reference"><a href="#cite_note-express-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-study_9-1" class="reference"><a href="#cite_note-study-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Bethesda residents objected to idea of a freeway running through residential areas.<sup id="cite_ref-westroute_10-0" class="reference"><a href="#cite_note-westroute-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> The NCPC agreed, and it approved the western route two years later.<sup id="cite_ref-westroute_10-1" class="reference"><a href="#cite_note-westroute-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-bmetro_11-0" class="reference"><a href="#cite_note-bmetro-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> Further details about the routing were released in 1949,<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> and construction began with the northern section in February 1950.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p>On January 25, 1953, the US 240 freeway was completed between Frederick to Urbana.<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> The freeway's extension to Hyattstown opened on June 10, 1953.<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> The extension to MD 118 in Germantown opened September 15, 1954.<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><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><sup id="cite_ref-rodgers_18-0" class="reference"><a href="#cite_note-rodgers-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-MD_1954_map_19-0" class="reference"><a href="#cite_note-MD_1954_map-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-MD_1955_map_20-0" class="reference"><a href="#cite_note-MD_1955_map-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>A group of people opposed any highway in Rockville because of the perceived increase in traffic, and the group had threatened to form a human chain in the middle of the freeway, but they did not carry through with their threat.<sup id="cite_ref-disputed_21-0" class="reference"><a href="#cite_note-disputed-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><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> The freeway's extension to <a href="/wiki/Maryland_Route_28" title="Maryland Route 28">MD 28</a> in <a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville</a> opened on May 18, 1956.<sup id="cite_ref-disputed_21-1" class="reference"><a href="#cite_note-disputed-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/Maryland_State_Roads_Commission" class="mw-redirect" title="Maryland State Roads Commission">Maryland State Roads Commission</a> determined that a portion of Monroe Street in Rockville should be closed in order to avoid building a costly overpass to continue the road to the west side of the new freeway.<sup id="cite_ref-showdown_23-0" class="reference"><a href="#cite_note-showdown-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-stern_24-0" class="reference"><a href="#cite_note-stern-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> The Montgomery County Council had opposed the idea, but it ultimately withdrew its opposition because the federal government had agreed to add and pay for a freeway interchange with Montrose Road, which had not been in the freeway's original plan.<sup id="cite_ref-showdown_23-1" class="reference"><a href="#cite_note-showdown-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-stern_24-1" class="reference"><a href="#cite_note-stern-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> In 1956, the US 240 freeway was completed from US 15 north to US 40.<sup id="cite_ref-MD_1956_map_25-0" class="reference"><a href="#cite_note-MD_1956_map-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:2019-06-18_15_24_14_View_south_along_Interstate_270_(Washington_National_Pike)_at_the_exit_for_Interstate_270_Spur_(TO_Interstate_495_SOUTH,_Washington,_Northern_Virginia)_on_the_edge_of_Potomac_and_North_Bethesda_in_Montgomery_County,_Maryland.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/2019-06-18_15_24_14_View_south_along_Interstate_270_%28Washington_National_Pike%29_at_the_exit_for_Interstate_270_Spur_%28TO_Interstate_495_SOUTH%2C_Washington%2C_Northern_Virginia%29_on_the_edge_of_Potomac_and_North_Bethesda_in_Montgomery_County%2C_Maryland.jpg/220px-thumbnail.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/2019-06-18_15_24_14_View_south_along_Interstate_270_%28Washington_National_Pike%29_at_the_exit_for_Interstate_270_Spur_%28TO_Interstate_495_SOUTH%2C_Washington%2C_Northern_Virginia%29_on_the_edge_of_Potomac_and_North_Bethesda_in_Montgomery_County%2C_Maryland.jpg/330px-thumbnail.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ef/2019-06-18_15_24_14_View_south_along_Interstate_270_%28Washington_National_Pike%29_at_the_exit_for_Interstate_270_Spur_%28TO_Interstate_495_SOUTH%2C_Washington%2C_Northern_Virginia%29_on_the_edge_of_Potomac_and_North_Bethesda_in_Montgomery_County%2C_Maryland.jpg/440px-thumbnail.jpg 2x" data-file-width="4032" data-file-height="3024" /></a><figcaption>I-270 Spur at split from southbound I-270 in North Bethesda</figcaption></figure> <p>The US 240 freeway was extended south to Montrose Road in December 1957.<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><sup id="cite_ref-MD_1958_map_27-0" class="reference"><a href="#cite_note-MD_1958_map-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> I-70S was designated onto the US 240 freeway in 1959, while I-70N was designated onto the US 40 freeway to Baltimore.<sup id="cite_ref-MD_1959_map_28-0" class="reference"><a href="#cite_note-MD_1959_map-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> On December 17, 1958, the freeway extension to Old Georgetown Road opened.<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> </p><p>With the completion of the freeway, the original US 240 was newly designated MD 355.<sup id="cite_ref-MD_1960_map_30-0" class="reference"><a href="#cite_note-MD_1960_map-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> The construction of the Washington National Pike resulted in suburban growth along the corridor between <a href="/wiki/Washington,_D.C." title="Washington, D.C.">Washington, D.C.</a>, and Frederick, with several federal agencies including the <a href="/wiki/United_States_Atomic_Energy_Commission" title="United States Atomic Energy Commission">United States Atomic Energy Commission</a> and the <a href="/wiki/National_Bureau_of_Standards" class="mw-redirect" title="National Bureau of Standards">National Bureau of Standards</a> moving their headquarters to Montgomery County.<sup id="cite_ref-rodgers_18-1" class="reference"><a href="#cite_note-rodgers-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> A western spur that provided access to southbound I-495 was eventually built and became I-270.<sup id="cite_ref-1971study_31-0" class="reference"><a href="#cite_note-1971study-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>I-70S was projected to continue past the Capital Beltway into Washington, D.C., on the <a href="/wiki/North_Central_Freeway_(DC)" class="mw-redirect" title="North Central Freeway (DC)">North Central Freeway</a> to connect directly to <a href="/wiki/Interstate_95" title="Interstate 95">I-95</a>. Plans for this freeway initially began in 1959 when a freeway was called for along the <a href="/wiki/Georgia_Avenue" title="Georgia Avenue">Georgia Avenue</a> corridor.<sup id="cite_ref-1959mtp_32-0" class="reference"><a href="#cite_note-1959mtp-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> In the mid-1960s, a study was proposed for the freeway that recommended several different routings between Washington, D.C., and the Capital Beltway.<sup id="cite_ref-ncfs_33-0" class="reference"><a href="#cite_note-ncfs-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> By 1966, a route for the North Central Freeway was planned along a <a href="/wiki/Baltimore_and_Ohio_Railroad" title="Baltimore and Ohio Railroad">Baltimore and Ohio Railroad</a> line running through the northeastern part of Washington and <a href="/wiki/Takoma_Park,_Maryland" title="Takoma Park, Maryland">Takoma Park</a> north to the Capital Beltway.<sup id="cite_ref-1966ncfs_34-0" class="reference"><a href="#cite_note-1966ncfs-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> In a 1971 study by DeLeuw, Cather Associates and Harry Wesse & Associates, LTD, I-70S was planned to run from its southern terminus at I-495 and run concurrent with that route before turning south on the North Central Freeway and ending at I-95 in Washington.<sup id="cite_ref-1971study_31-1" class="reference"><a href="#cite_note-1971study-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> The routing of the freeway through residential areas of Washington drew opposition from residents of the Takoma Park, <a href="/wiki/Brookland,_Washington,_D.C." class="mw-redirect" title="Brookland, Washington, D.C.">Brookland</a>, and <a href="/wiki/Michigan_Park,_Washington,_D.C." class="mw-redirect" title="Michigan Park, Washington, D.C.">Michigan Park</a> neighborhoods who were successful in getting the freeway canceled through their neighborhoods in 1970.<sup id="cite_ref-tphd_35-0" class="reference"><a href="#cite_note-tphd-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> The North Central Freeway within Maryland was canceled by the <a href="/wiki/Maryland_State_Highway_Administration" title="Maryland State Highway Administration">Maryland State Highway Administration</a> (MDSHA) in 1972 due to opposition from officials in Montgomery County.<sup id="cite_ref-mccf_36-0" class="reference"><a href="#cite_note-mccf-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> In 1975, the <a href="/wiki/Federal_Highway_Administration" title="Federal Highway Administration">Federal Highway Administration</a> (FHWA) officially approved withdrawal of plans to construct the road south of the Capital Beltway.<sup id="cite_ref-rambler_37-0" class="reference"><a href="#cite_note-rambler-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> Similar opposition also affected I-70N's eastward extension into Baltimore proper, although a small part of its planned spur, <a href="/wiki/Interstate_170_(Maryland)" title="Interstate 170 (Maryland)">I-170</a> (now US 40, as the freeway never connected to any other Interstate), was built and opened in 1979. I-70 was eventually truncated to <a href="/wiki/Interstate_695_(Maryland)" title="Interstate 695 (Maryland)">I-695</a> (the Baltimore Beltway) in 2014, with the freeway to its former terminus designated, but unsigned, as <a href="/wiki/Maryland_Route_570" class="mw-redirect" title="Maryland Route 570">MD 570</a>. </p><p>The concurrent US 240 designation was removed from I-70S in 1972.<sup id="cite_ref-AASHTO_38-0" class="reference"><a href="#cite_note-AASHTO-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> On May 18, 1975, I-70S was designated I-270, with I-70N becoming simply I-70.<sup id="cite_ref-rambler_37-1" class="reference"><a href="#cite_note-rambler-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> The western spur is now signed and publicly known simply as I-270 Spur. By the 1980s, traffic congestion had grown on I-270 in Montgomery County; as a result, a $200-million (equivalent to $496 million in 2023<sup id="cite_ref-inflation-USGDP_4-1" class="reference"><a href="#cite_note-inflation-USGDP-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>) project widened the road between I-495 and MD 118 to its current configuration since October 12, 1990,<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> with some portions being widened from 6 to 12 lanes.<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><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><sup id="cite_ref-wpwidth_42-0" class="reference"><a href="#cite_note-wpwidth-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> HOV lanes were later added on December 19, 1996. This widening led to growth of residences and businesses along the I-270 corridor as far north as Germantown and increased traffic counts along the road.<sup id="cite_ref-wpwiden_43-0" class="reference"><a href="#cite_note-wpwiden-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> Much of I-270 in Montgomery County is now a hub for <a href="/wiki/Biotech" class="mw-redirect" title="Biotech">biotech</a> firms.<sup id="cite_ref-wpbiotech_44-0" class="reference"><a href="#cite_note-wpbiotech-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> By 1999, congestion on the road grew to then-projected 2010 levels.<sup id="cite_ref-wpwiden_43-1" class="reference"><a href="#cite_note-wpwiden-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> </p><p>In Montgomery County, an interchange was constructed to allow northbound and southbound I-270 access both to and from Watkins Mill Road in Gaithersburg. This interchange connects the eastern and western portions of Watkins Mill Road by a new overpass. In addition, a new southbound exit ramp at exit 11 (MD 124) was built.<sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> The exit provides better access to the <a href="/wiki/Metropolitan_Grove_station" title="Metropolitan Grove station">Metropolitan Grove station</a> and Gaithersburg Medical Center. The goal of the project was to lower congestion on I-270, MD 355, and MD 124.<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> The State of Maryland approved the $99.71-million (equivalent to $122 million in 2023<sup id="cite_ref-inflation-USGDP_4-2" class="reference"><a href="#cite_note-inflation-USGDP-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>) project in July 2017, and construction began on July 11, 2017, with Governor <a href="/wiki/Larry_Hogan" title="Larry Hogan">Larry Hogan</a> and County Executive <a href="/wiki/Ike_Leggett" title="Ike Leggett">Ike Leggett</a> in attendance for a groundbreaking ceremony.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> The project was completed on June 11, 2020, a month ahead of schedule.<sup id="cite_ref-watkinsmill_48-0" class="reference"><a href="#cite_note-watkinsmill-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Future">Future</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_270_(Maryland)&action=edit&section=3" title="Edit section: Future"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:2019-07-12_11_49_53_View_south_along_Interstate_270_(Washington_National_Pike)_from_the_overpass_for_the_ramp_from_southbound_Interstate_270_to_eastbound_Interstate_370_in_Gaithersburg,_Montgomery_County,_Maryland.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/2019-07-12_11_49_53_View_south_along_Interstate_270_%28Washington_National_Pike%29_from_the_overpass_for_the_ramp_from_southbound_Interstate_270_to_eastbound_Interstate_370_in_Gaithersburg%2C_Montgomery_County%2C_Maryland.jpg/220px-thumbnail.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/2019-07-12_11_49_53_View_south_along_Interstate_270_%28Washington_National_Pike%29_from_the_overpass_for_the_ramp_from_southbound_Interstate_270_to_eastbound_Interstate_370_in_Gaithersburg%2C_Montgomery_County%2C_Maryland.jpg/330px-thumbnail.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3b/2019-07-12_11_49_53_View_south_along_Interstate_270_%28Washington_National_Pike%29_from_the_overpass_for_the_ramp_from_southbound_Interstate_270_to_eastbound_Interstate_370_in_Gaithersburg%2C_Montgomery_County%2C_Maryland.jpg/440px-thumbnail.jpg 2x" data-file-width="4032" data-file-height="3024" /></a><figcaption>View south along I-270 at I-370 in Gaithersburg, at the north end of proposed HOT lanes</figcaption></figure> <p>MDSHA is studying improvements for the I-270 corridor between Shady Grove Road and Frederick. Options for improvement include widening the highway to include more lanes with HOV and HOT lanes, as well as initiating rapid bus or light rail service along I-270 between Shady Grove and Clarksburg.<sup id="cite_ref-wtop_50-0" class="reference"><a href="#cite_note-wtop-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> In September 2017, Governor Larry Hogan announced a plan to widen the entire length of I-270 by four lanes, adding HOT lanes to the median, as part of a $9-billion proposal to widen roads in Maryland. The project would be a <a href="/wiki/Public%E2%80%93private_partnership" title="Public–private partnership">public–private partnership</a> with private companies responsible for constructing, operating, and maintaining the lanes.<sup id="cite_ref-wtop2_51-0" class="reference"><a href="#cite_note-wtop2-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> On June 5, 2019, the <a href="/wiki/Maryland_Board_of_Public_Works" title="Maryland Board of Public Works">Maryland Board of Public Works</a> voted 2–1 in favor of the proposal to construct express toll lanes along I-270, with Governor Hogan and State Comptroller <a href="/wiki/Peter_Franchot" title="Peter Franchot">Peter Franchot</a> voting for it and State Treasurer <a href="/wiki/Nancy_Kopp" title="Nancy Kopp">Nancy Kopp</a> voting against it.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> On June 12, 2019, the <a href="/wiki/Maryland-National_Capital_Park_and_Planning_Commission" title="Maryland-National Capital Park and Planning Commission">Maryland-National Capital Park and Planning Commission</a> (M-NCPPC) sent a letter of nonconcurrence to MDSHA, triggering a mediation process with MDSHA. The M-NCPPC has jurisdiction over parkland MDSHA will need for its proposal.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>53<span class="cite-bracket">]</span></a></sup> </p><p>In June 2021, the project was omitted by the Washington Council of Government's Transportation Planning Board, calling its future into question.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">[</span>54<span class="cite-bracket">]</span></a></sup> In June 2022 Montgomery County Executive <a href="/wiki/Marc_Elrich" title="Marc Elrich">Marc Elrich</a> asked the <a href="/wiki/United_States_Department_of_Transportation" title="United States Department of Transportation">U.S. Department of Transportation</a> (USDOT) to extend its review period for the I-270 toll lane proposal, citing the need for additional time for local agencies and the public to review the environmental analysis.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>55<span class="cite-bracket">]</span></a></sup> In July 2022 advocates of public transit questioned the validity of Maryland DOT's traffic models for the proposed highway widening project, in a letter submitted to USDOT.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>56<span class="cite-bracket">]</span></a></sup> In August 2022 the FHWA announced a delay in its review of the proposed project.<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">[</span>57<span class="cite-bracket">]</span></a></sup> </p><p>In August 2023, Maryland DOT applied for a federal grant to support improvements on the <a href="/wiki/American_Legion_Memorial_Bridge_(Potomac_River)" title="American Legion Memorial Bridge (Potomac River)">American Legion Bridge</a> and a portion of I-495 leading to the junction with I-270. The application did not include funding for improvements to I-270, but the state intends to include I-270 improvements in future grant applications.<sup id="cite_ref-58" class="reference"><a href="#cite_note-58"><span class="cite-bracket">[</span>58<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Exit_list">Exit list</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_270_(Maryland)&action=edit&section=4" title="Edit section: Exit list"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="plainrowheaders wikitable"> <tbody><tr><th scope="col">County</th><th scope="col">Location</th><th scope="col"><abbr title="Miles">mi</abbr><br /><sup id="cite_ref-MarylandHLR_2-15" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></th><th scope="col"><abbr title="Kilometers">km</abbr></th><th scope="col">Exit</th><th scope="col">Destinations</th><th scope="col">Notes</th></tr> <tr style="text-align:left"><td rowspan="20"><a href="/wiki/Montgomery_County,_Maryland" title="Montgomery County, Maryland">Montgomery</a></td><td rowspan="1"><a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda</a></td><th scope="row" rowspan="1" style="text-align:right">0.00</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">0.00</td><td rowspan="1" style="text-align:center">—</td><td colspan="1" rowspan="1"><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/e/e7/East_plate_blue.svg/24px-East_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/East_plate_blue.svg/36px-East_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/East_plate_blue.svg/48px-East_plate_blue.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/8/8c/I-495.svg/30px-I-495.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/45px-I-495.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/60px-I-495.svg.png 2x" data-file-width="751" data-file-height="601" /></span></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/8/84/South_plate.svg/24px-South_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/South_plate.svg/36px-South_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/84/South_plate.svg/48px-South_plate.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/8/8c/MD_Route_355.svg/30px-MD_Route_355.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/MD_Route_355.svg/45px-MD_Route_355.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/MD_Route_355.svg/60px-MD_Route_355.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span></span> <a href="/wiki/Interstate_495_(Capital_Beltway)" class="mw-redirect" title="Interstate 495 (Capital Beltway)">I-495</a> east / <a href="/wiki/Maryland_Route_355" title="Maryland Route 355">MD 355</a> south – <a href="/wiki/Silver_Spring,_Maryland" title="Silver Spring, Maryland">Silver Spring</a>, <a href="/wiki/College_Park,_Maryland" title="College Park, Maryland">College Park</a>, <a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda</a></td><td rowspan="1">Southern terminus; exit 35 on I-495</td></tr> <tr style="text-align:left"><td rowspan="4"><a href="/wiki/North_Bethesda,_Maryland" title="North Bethesda, Maryland">North Bethesda</a></td><th scope="row" rowspan="1" style="text-align:right">1.54–<br />1.83</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">2.48–<br />2.95</td><td rowspan="1" style="text-align:center">1</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/MD_Route_187.svg/30px-MD_Route_187.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/MD_Route_187.svg/45px-MD_Route_187.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a0/MD_Route_187.svg/60px-MD_Route_187.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_187" title="Maryland Route 187">MD 187</a> (Old Georgetown Road) / Rockledge Drive (<a href="/wiki/Maryland_Route_187B" class="mw-redirect" title="Maryland Route 187B">MD 187B</a>)</td><td rowspan="1">Signed as exits 1A (MD 187) and 1B (Rockledge) northbound</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">2.39–<br />2.68</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">3.85–<br />4.31</td><td rowspan="1" title="Incomplete access" style="text-align:center;background-color:#ffdddd">2</td><td colspan="1" rowspan="1" title="Incomplete access" style="background-color:#ffdddd"><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/c/ca/South_plate_blue.svg/24px-South_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/South_plate_blue.svg/36px-South_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/South_plate_blue.svg/48px-South_plate_blue.svg.png 2x" data-file-width="601" data-file-height="301" /></span></span><br /><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Spur_plate_blue.svg/24px-Spur_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Spur_plate_blue.svg/36px-Spur_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/17/Spur_plate_blue.svg/48px-Spur_plate_blue.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/8/82/I-270.svg/30px-I-270.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/45px-I-270.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/60px-I-270.svg.png 2x" data-file-width="751" data-file-height="601" /></span></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/7/71/To_plate_blue.svg/24px-To_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/71/To_plate_blue.svg/36px-To_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/71/To_plate_blue.svg/48px-To_plate_blue.svg.png 2x" data-file-width="601" data-file-height="301" /></span></span><br /><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/South_plate_blue.svg/24px-South_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/South_plate_blue.svg/36px-South_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/South_plate_blue.svg/48px-South_plate_blue.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/8/8c/I-495.svg/30px-I-495.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/45px-I-495.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/60px-I-495.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span></span> <a href="/wiki/Interstate_270_Spur_(Maryland)" class="mw-redirect" title="Interstate 270 Spur (Maryland)">I-270 Spur</a> south to <a href="/wiki/Interstate_495_(Capital_Beltway)" class="mw-redirect" title="Interstate 495 (Capital Beltway)">I-495</a> south – <a href="/wiki/Washington,_DC" class="mw-redirect" title="Washington, DC">Washington</a>, <a href="/wiki/Northern_Virginia" title="Northern Virginia">Northern Virginia</a></td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Southbound exit and northbound entrance</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">3.66</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">5.89</td><td colspan="3" rowspan="1" style="text-align:center">Southern terminus of <a href="/wiki/Local-express_lanes" class="mw-redirect" title="Local-express lanes">local-express lanes</a></td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">4.14</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">6.66</td><td rowspan="1" style="text-align:center">4</td><td colspan="1" rowspan="1"><a href="/wiki/Montrose_Road" class="mw-redirect" title="Montrose Road">Montrose Road</a> (<a href="/wiki/Maryland_Route_927" class="mw-redirect" title="Maryland Route 927">MD 927</a>)</td><td rowspan="1">Signed as exits 4A (east) and 4B (west); northbound exit 4A also serves Tower Oaks Boulevard</td></tr> <tr style="text-align:left"><td rowspan="3"><a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville</a></td><th scope="row" rowspan="1" style="text-align:right">5.50</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">8.85</td><td rowspan="1" style="text-align:center">5</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/MD_Route_189.svg/30px-MD_Route_189.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/MD_Route_189.svg/45px-MD_Route_189.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/MD_Route_189.svg/60px-MD_Route_189.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_189" title="Maryland Route 189">MD 189</a> (Falls Road)</td><td rowspan="1"><a href="/wiki/SPUI" class="mw-redirect" title="SPUI">SPUI</a></td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">6.46</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">10.40</td><td rowspan="1" style="text-align:center">6</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/MD_Route_28.svg/24px-MD_Route_28.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/MD_Route_28.svg/36px-MD_Route_28.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d2/MD_Route_28.svg/48px-MD_Route_28.svg.png 2x" data-file-width="2400" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_28" title="Maryland Route 28">MD 28</a> (West Montgomery Avenue) – <a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville</a>, <a href="/wiki/Darnestown,_Maryland" title="Darnestown, Maryland">Darnestown</a>, <a href="/wiki/Poolesville,_Maryland" title="Poolesville, Maryland">Poolesville</a></td><td rowspan="1">Signed as exits 6A (east) and 6B (west)</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">8.39</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">13.50</td><td rowspan="1" style="text-align:center">8</td><td colspan="1" rowspan="1">Shady Grove Road / Redland Boulevard</td><td rowspan="1"></td></tr> <tr style="text-align:left"><td rowspan="6"><a href="/wiki/Gaithersburg,_Maryland" title="Gaithersburg, Maryland">Gaithersburg</a></td><th scope="row" rowspan="1" style="text-align:right">9.28</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">14.93</td><td colspan="3" rowspan="1" style="text-align:center">Northern terminus of southbound local-express lanes</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">9.32</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">15.00</td><td rowspan="1" style="text-align:center">9</td><td colspan="1" rowspan="1"><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/e/e7/East_plate_blue.svg/24px-East_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/East_plate_blue.svg/36px-East_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/East_plate_blue.svg/48px-East_plate_blue.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/8/8e/I-370.svg/30px-I-370.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8e/I-370.svg/45px-I-370.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8e/I-370.svg/60px-I-370.svg.png 2x" data-file-width="751" data-file-height="601" /></span></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/f/f4/To_plate.svg/24px-To_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/36px-To_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/48px-To_plate.svg.png 2x" data-file-width="601" data-file-height="301" /></span></span><br /><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/East_plate.svg/24px-East_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/East_plate.svg/36px-East_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d9/East_plate.svg/48px-East_plate.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/6/6c/MD_Route_200.svg/30px-MD_Route_200.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/MD_Route_200.svg/45px-MD_Route_200.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/MD_Route_200.svg/60px-MD_Route_200.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span></span> <a href="/wiki/Interstate_370" title="Interstate 370">I-370</a> east / Sam Eig Highway to <a href="/wiki/Maryland_Route_200" title="Maryland Route 200">MD 200</a> east</td><td rowspan="1">Signed as exits 9A (I-370) and 9B (Sam Eig); exits 1A-B on I-370</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">10.85</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">17.46</td><td rowspan="1" title="Incomplete access" style="text-align:center;background-color:#ffdddd">10</td><td colspan="1" rowspan="1" title="Incomplete access" style="background-color:#ffdddd"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/MD_Route_117.svg/30px-MD_Route_117.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/MD_Route_117.svg/45px-MD_Route_117.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/11/MD_Route_117.svg/60px-MD_Route_117.svg.png 2x" data-file-width="3000" data-file-height="2400" /></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/f/f4/To_plate.svg/24px-To_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/36px-To_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/48px-To_plate.svg.png 2x" data-file-width="601" data-file-height="301" /></span></span><br /><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/South_plate.svg/24px-South_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/84/South_plate.svg/36px-South_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/84/South_plate.svg/48px-South_plate.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/c6/MD_Route_124.svg/30px-MD_Route_124.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/MD_Route_124.svg/45px-MD_Route_124.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c6/MD_Route_124.svg/60px-MD_Route_124.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span></span> <a href="/wiki/Maryland_Route_117" title="Maryland Route 117">MD 117</a> (Clopper Road / West Diamond Avenue) to <a href="/wiki/Maryland_Route_124" title="Maryland Route 124">MD 124</a> south (Quince Orchard Road)</td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Northbound exit and southbound entrance</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">11.47</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">18.46</td><td rowspan="1" title="Incomplete access" style="text-align:center;background-color:#ffdddd">11</td><td colspan="1" rowspan="1" title="Incomplete access" style="background-color:#ffdddd"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/MD_Route_124.svg/30px-MD_Route_124.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/MD_Route_124.svg/45px-MD_Route_124.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c6/MD_Route_124.svg/60px-MD_Route_124.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_124" title="Maryland Route 124">MD 124</a> (Montgomery Village Avenue / Quince Orchard Road)</td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Quince Orchard Road not signed northbound; no direct northbound access to MD 124 south</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">12.17</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">19.59</td><td rowspan="1" style="text-align:center">12</td><td colspan="1" rowspan="1">Watkins Mill Road</td><td rowspan="1"></td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">12.26</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">19.73</td><td colspan="3" rowspan="1" style="text-align:center">Northern terminus of northbound local-express lanes</td></tr> <tr style="text-align:left"><td rowspan="3"><a href="/wiki/Germantown,_Maryland" title="Germantown, Maryland">Germantown</a></td><th scope="row" rowspan="1" style="text-align:right">13.97</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">22.48</td><td rowspan="1" title="Incomplete access" style="text-align:center;background-color:#ffdddd">13</td><td colspan="1" rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Middlebrook Road</td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Northbound exit and southbound entrance; signed as exits 13A (east) and 13B (west)</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">14.74</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">23.72</td><td rowspan="1" style="text-align:center">15</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/MD_Route_118.svg/30px-MD_Route_118.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/MD_Route_118.svg/45px-MD_Route_118.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/MD_Route_118.svg/60px-MD_Route_118.svg.png 2x" data-file-width="3000" data-file-height="2400" /></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/f/f4/To_plate.svg/24px-To_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/36px-To_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/48px-To_plate.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/8/8c/MD_Route_355.svg/30px-MD_Route_355.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/MD_Route_355.svg/45px-MD_Route_355.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/MD_Route_355.svg/60px-MD_Route_355.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span></span> <a href="/wiki/Maryland_Route_118" title="Maryland Route 118">MD 118</a> (Germantown Road) to <a href="/wiki/Maryland_Route_355" title="Maryland Route 355">MD 355</a> – <a href="/wiki/Germantown,_Maryland" title="Germantown, Maryland">Germantown</a></td><td rowspan="1">Signed as exits 15A (north) and 15B (south)</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">15.78</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">25.40</td><td rowspan="1" style="text-align:center">16</td><td colspan="1" rowspan="1"><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/e/e1/North_plate.svg/24px-North_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/North_plate.svg/36px-North_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/North_plate.svg/48px-North_plate.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/7/7e/MD_Route_27.svg/24px-MD_Route_27.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7e/MD_Route_27.svg/36px-MD_Route_27.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7e/MD_Route_27.svg/48px-MD_Route_27.svg.png 2x" data-file-width="2400" data-file-height="2400" /></span></span></span> <a href="/wiki/Maryland_Route_27" title="Maryland Route 27">MD 27</a> north / Father Hurley Boulevard – <a href="/wiki/Damascus,_Maryland" title="Damascus, Maryland">Damascus</a></td><td rowspan="1">Signed as exits 16A (north) and 16B (south)</td></tr> <tr style="text-align:left"><td rowspan="1"><a href="/wiki/Clarksburg,_Maryland" title="Clarksburg, Maryland">Clarksburg</a></td><th scope="row" rowspan="1" style="text-align:right">18.43</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">29.66</td><td rowspan="1" style="text-align:center">18</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/MD_Route_121.svg/30px-MD_Route_121.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3e/MD_Route_121.svg/45px-MD_Route_121.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3e/MD_Route_121.svg/60px-MD_Route_121.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_121" title="Maryland Route 121">MD 121</a> – <a href="/wiki/Boyds,_Maryland" title="Boyds, Maryland">Boyds</a>, <a href="/wiki/Clarksburg,_Maryland" title="Clarksburg, Maryland">Clarksburg</a></td><td rowspan="1"></td></tr> <tr style="text-align:left"><td rowspan="1"><a href="/wiki/Hyattstown,_Maryland" title="Hyattstown, Maryland">Hyattstown</a></td><th scope="row" rowspan="1" style="text-align:right">22.29</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">35.87</td><td rowspan="1" style="text-align:center">22</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/MD_Route_109.svg/30px-MD_Route_109.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/MD_Route_109.svg/45px-MD_Route_109.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/MD_Route_109.svg/60px-MD_Route_109.svg.png 2x" data-file-width="3000" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_109" title="Maryland Route 109">MD 109</a> – <a href="/wiki/Hyattstown,_Maryland" title="Hyattstown, Maryland">Hyattstown</a>, <a href="/wiki/Barnesville,_Maryland" title="Barnesville, Maryland">Barnesville</a>, <a href="/wiki/Poolesville,_Maryland" title="Poolesville, Maryland">Poolesville</a>, <a href="/wiki/Ijamsville,_Maryland" title="Ijamsville, Maryland">Ijamsville</a></td><td rowspan="1"></td></tr> <tr style="text-align:left"><td rowspan="1"></td><th scope="row" rowspan="1" style="text-align:right"></th><td rowspan="1" style="text-align:right;background-color:#eaecf0"></td><td colspan="3" rowspan="1" style="text-align:center">Weigh and inspection station</td></tr> <tr style="text-align:left"><td rowspan="4"><a href="/wiki/Frederick_County,_Maryland" title="Frederick County, Maryland">Frederick</a></td><td rowspan="1"><a href="/wiki/Urbana,_Maryland" title="Urbana, Maryland">Urbana</a></td><th scope="row" rowspan="1" style="text-align:right">26.03</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">41.89</td><td rowspan="1" style="text-align:center">26</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/MD_Route_80.svg/24px-MD_Route_80.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/MD_Route_80.svg/36px-MD_Route_80.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/MD_Route_80.svg/48px-MD_Route_80.svg.png 2x" data-file-width="2400" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_80" title="Maryland Route 80">MD 80</a> – <a href="/wiki/Urbana,_Maryland" title="Urbana, Maryland">Urbana</a>, <a href="/wiki/Buckeystown,_Maryland" title="Buckeystown, Maryland">Buckeystown</a></td><td rowspan="1"></td></tr> <tr style="text-align:left"><td rowspan="3"><a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</a></td><th scope="row" rowspan="1" style="text-align:right">31.16</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">50.15</td><td rowspan="1" style="text-align:center">31</td><td colspan="1" rowspan="1"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/MD_Route_85.svg/24px-MD_Route_85.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/MD_Route_85.svg/36px-MD_Route_85.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/MD_Route_85.svg/48px-MD_Route_85.svg.png 2x" data-file-width="2400" data-file-height="2400" /></span></span> <a href="/wiki/Maryland_Route_85" title="Maryland Route 85">MD 85</a> to Market Street (<a href="/wiki/Maryland_Route_355" title="Maryland Route 355">MD 355</a>) – <a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</a>, <a href="/wiki/Buckeystown,_Maryland" title="Buckeystown, Maryland">Buckeystown</a></td><td rowspan="1">Signed as exits 31A (north) and 31B (south); Market Street not signed southbound</td></tr> <tr style="text-align:left"><th scope="row" rowspan="2" style="text-align:right">32.60</th><td rowspan="2" style="text-align:right;background-color:#eaecf0">52.46</td><td rowspan="1" title="Incomplete access" style="text-align:center;background-color:#ffdddd">32</td><td colspan="1" rowspan="1" title="Incomplete access" style="background-color:#ffdddd"><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> (<a href="/wiki/U.S._Route_40_in_Maryland" title="U.S. Route 40 in Maryland">US 40</a> east) – <a href="/wiki/Hagerstown,_Maryland" title="Hagerstown, Maryland">Hagerstown</a>, <a href="/wiki/Baltimore,_Maryland" class="mw-redirect" title="Baltimore, Maryland">Baltimore</a></td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Northbound exit and southbound entrance; exit 53A on I-70</td></tr> <tr style="text-align:left"><td rowspan="1" style="text-align:center">—</td><td colspan="1" rowspan="1"><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/f/f4/To_plate.svg/24px-To_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/36px-To_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f4/To_plate.svg/48px-To_plate.svg.png 2x" data-file-width="601" data-file-height="301" /></span></span><br /><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/North_plate.svg/24px-North_plate.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/North_plate.svg/36px-North_plate.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/North_plate.svg/48px-North_plate.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/8/8c/US_15.svg/24px-US_15.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/US_15.svg/36px-US_15.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/US_15.svg/48px-US_15.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span></span> To <a href="/wiki/U.S._Route_15_in_Maryland" title="U.S. Route 15 in Maryland">US 15</a> north – <a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</a>, <a href="/wiki/Gettysburg,_Pennsylvania" title="Gettysburg, Pennsylvania">Gettysburg</a></td><td rowspan="1">Access via <a href="/wiki/U.S._Route_40_in_Maryland" title="U.S. Route 40 in Maryland">US 40</a> west</td></tr> <tr><td colspan="7" class="jct-bottom notheme"><style data-mw-deduplicate="TemplateStyles:r1129796324">.mw-parser-output .jct-bottom{text-align:center;background-color:#eaecf0}.mw-parser-output .jct-bottom-legend{margin-left:1.6em;font-size:90%}.mw-parser-output .jct-bottom-legend ul{text-align:center}.mw-parser-output .jct-bottom-legend-color{border:1px solid #000}</style>1.000 mi = 1.609 km; 1.000 km = 0.621 mi<br /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><div class="hlist jct-bottom-legend"><ul><li><span class="jct-bottom-legend-color" style="background-color: #ffdddd">    </span>  <span class="nowrap"><a href="/wiki/Interchange_(road)#Complete_and_incomplete_interchanges" title="Interchange (road)">Incomplete access</a></span></li><li><span class="jct-bottom-legend-color" style="background-color: #ffdead">    </span>  <span class="nowrap">Unopened</span></li></ul></div></td></tr> </tbody></table> <div class="mw-heading mw-heading2"><h2 id="Interstate_270_Spur">Interstate 270 Spur</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_270_(Maryland)&action=edit&section=5" title="Edit section: Interstate 270 Spur"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239840523"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above"><div style="text-align:center;"><div style="margin:0.1em 0 0 0;"><span typeof="mw:File"><a href="/wiki/File:Spur_plate_blue.svg" class="mw-file-description"><img alt="Spur plate blue.svg" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Spur_plate_blue.svg/40px-Spur_plate_blue.svg.png" decoding="async" width="40" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Spur_plate_blue.svg/60px-Spur_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/17/Spur_plate_blue.svg/80px-Spur_plate_blue.svg.png 2x" data-file-width="601" data-file-height="301" /></a></span></div><div style="margin:0 0 0.1em;"><span typeof="mw:File"><a href="/wiki/File:I-270.svg" class="mw-file-description"><img alt="Interstate 270 Spur marker" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/50px-I-270.svg.png" decoding="async" width="50" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/75px-I-270.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/100px-I-270.svg.png 2x" data-file-width="751" data-file-height="601" /></a></span></div><div style="margin:0.1em;">Interstate 270 Spur</div></div></th></tr><tr><td colspan="2" class="infobox-subheader"><div class="header-USA" style="margin:0; height:.5em;"></div></td></tr><tr><th scope="row" class="infobox-label">Location</th><td class="infobox-data"><a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda, Maryland</a></td></tr><tr><th scope="row" class="infobox-label">Length</th><td class="infobox-data">2.10 mi<sup id="cite_ref-MarylandHLR_2-16" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> (3.38 km)</td></tr></tbody></table> <p><b>Interstate 270 Spur</b> (<b>I-270 Spur</b>; referred to as <b>I-270Y</b> by the MDSHA) is a 2.1-mile (3.4 km) <a href="/wiki/Spur_route" title="Spur route">spur</a> off I-270 that connects I-270 and the Capital Beltway.<sup id="cite_ref-MarylandHLR_2-17" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> It carries traffic headed southbound on I-270 to southbound I-495 and from northbound I-495 to northbound I-270, filling in the missing movements not available at the interchange between I-270 and I-495.<sup id="cite_ref-google2_59-0" class="reference"><a href="#cite_note-google2-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> The road heads north from I-495 as a six-lane freeway. The left lane in each direction serves as a HOV lane for carpools with two or more people that is in operation between 3:30 and 6:30 pm on weekdays in the northbound direction and between 6:00 and 9:00 am on weekdays in the southbound direction.<sup id="cite_ref-MarylandHLR_2-18" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-hov_6-1" class="reference"><a href="#cite_note-hov-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google2_59-1" class="reference"><a href="#cite_note-google2-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> I-270 Spur continues north through wooded suburban areas to an interchange with Democracy Boulevard adjacent to the <a href="/wiki/Westfield_Montgomery" title="Westfield Montgomery">Westfield Montgomery</a> shopping mall.<sup id="cite_ref-google2_59-2" class="reference"><a href="#cite_note-google2-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> A short distance later, the road has a southbound exit and northbound entrance for the HOV lanes onto Fernwood Road. Past here, I-270 Spur merges into northbound I-270 with separate ramps for the travel lanes and the HOV lanes.<sup id="cite_ref-MarylandHLR_2-19" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-google2_59-3" class="reference"><a href="#cite_note-google2-59"><span class="cite-bracket">[</span>59<span class="cite-bracket">]</span></a></sup> Before 1975, when I-270 was called I-70S, this road was called I-270, without the word "Spur". </p> <div class="mw-heading mw-heading3"><h3 id="Exit_list_2">Exit list</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_270_(Maryland)&action=edit&section=6" title="Edit section: Exit list"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The entire route is in <a href="/wiki/Bethesda,_Maryland" title="Bethesda, Maryland">Bethesda</a>, <a href="/wiki/Montgomery_County,_Maryland" title="Montgomery County, Maryland">Montgomery County</a>. </p> <table class="plainrowheaders wikitable"> <tbody><tr><th scope="col"><abbr title="Miles">mi</abbr><sup id="cite_ref-MarylandHLR_2-20" class="reference"><a href="#cite_note-MarylandHLR-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></th><th scope="col"><abbr title="Kilometers">km</abbr></th><th scope="col">Exit</th><th scope="col">Destinations</th><th scope="col">Notes</th></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">0.00</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">0.00</td><td rowspan="1" style="text-align:center">—</td><td colspan="1" rowspan="1"><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/c/ca/South_plate_blue.svg/24px-South_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/South_plate_blue.svg/36px-South_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/South_plate_blue.svg/48px-South_plate_blue.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/8/8c/I-495.svg/30px-I-495.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/45px-I-495.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/I-495.svg/60px-I-495.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span></span> <a href="/wiki/Interstate_495_(Capital_Beltway)" class="mw-redirect" title="Interstate 495 (Capital Beltway)">I-495</a> south – <a href="/wiki/Washington,_DC" class="mw-redirect" title="Washington, DC">Washington</a>, <a href="/wiki/Northern_Virginia" title="Northern Virginia">Northern Virginia</a></td><td rowspan="1">Southern terminus; exit 38 on I-495 (Capital Beltway)</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">1.00</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">1.61</td><td rowspan="1" style="text-align:center">1</td><td colspan="1" rowspan="1">Democracy Boulevard</td><td rowspan="1"></td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">1.35</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">2.17</td><td rowspan="1" title="High occupancy vehicle exit only" style="text-align:center;background-color:#ffff99">—</td><td colspan="1" rowspan="1" title="High occupancy vehicle exit only" style="background-color:#ffff99">Westlake Terrace to Fernwood Road</td><td rowspan="1" title="High occupancy vehicle exit only" style="background-color:#ffff99">Southbound exit and northbound entrance from HOV lanes</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">2.10</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">3.38</td><td rowspan="1" style="text-align:center">—</td><td colspan="1" rowspan="1"><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/7/7d/North_plate_blue.svg/24px-North_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/North_plate_blue.svg/36px-North_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/North_plate_blue.svg/48px-North_plate_blue.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/8/82/I-270.svg/30px-I-270.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/45px-I-270.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/I-270.svg/60px-I-270.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span></span> I-270 north – <a href="/wiki/Rockville,_Maryland" title="Rockville, Maryland">Rockville</a>, <a href="/wiki/Frederick,_Maryland" title="Frederick, Maryland">Frederick</a></td><td rowspan="1">Northern terminus; exit 2 on I-270</td></tr> <tr><td colspan="6" class="jct-bottom notheme"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129796324">1.000 mi = 1.609 km; 1.000 km = 0.621 mi<br /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><div class="hlist jct-bottom-legend"><ul><li><span class="jct-bottom-legend-color" style="background-color: #ffff99">    </span>  <span class="nowrap"><a href="/wiki/High-occupancy_vehicle_lane" title="High-occupancy vehicle lane">HOV only</a></span></li></ul></div></td></tr> </tbody></table> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_270_(Maryland)&action=edit&section=7" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/MD_blank.svg/28px-MD_blank.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/MD_blank.svg/42px-MD_blank.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/MD_blank.svg/56px-MD_blank.svg.png 2x" data-file-width="2400" data-file-height="2400" /></span></span> </span><a href="/wiki/Portal:Maryland_Roads" class="mw-redirect" title="Portal:Maryland Roads">Maryland Roads portal</a></li></ul> <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_270_(Maryland)&action=edit&section=8" 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 reflist-columns references-column-width reflist-columns-2"> <ol class="references"> <li id="cite_note-fhwa-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-fhwa_1-0">^</a></b></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/?redirect">"Route Log — Auxiliary Routes of the Eisenhower National System Of Interstate and Defense Highways — Table 2"</a>. <a href="/wiki/Federal_Highway_Administration" title="Federal Highway Administration">Federal Highway Administration</a>. October 31, 2002<span class="reference-accessdate">. Retrieved <span class="nowrap">May 13,</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Route+Log+%E2%80%94+Auxiliary+Routes+of+the+Eisenhower+National+System+Of+Interstate+and+Defense+Highways+%E2%80%94+Table+2&rft.pub=Federal+Highway+Administration&rft.date=2002-10-31&rft_id=https%3A%2F%2Fwww.fhwa.dot.gov%2Fplanning%2Fnational_highway_system%2Finterstate_highway_system%2Froutefinder%2F%3Fredirect&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-MarylandHLR-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-MarylandHLR_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-9"><sup><i><b>j</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-10"><sup><i><b>k</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-11"><sup><i><b>l</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-12"><sup><i><b>m</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-13"><sup><i><b>n</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-14"><sup><i><b>o</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-15"><sup><i><b>p</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-16"><sup><i><b>q</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-17"><sup><i><b>r</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-18"><sup><i><b>s</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-19"><sup><i><b>t</b></i></sup></a> <a href="#cite_ref-MarylandHLR_2-20"><sup><i><b>u</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">March 2,</span> 2012</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+270+%28Maryland%29" 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_Montgomery.pdf"><i>Montgomery County</i></a> <span class="cs1-format">(PDF)</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Montgomery+County&rft_id=https%3A%2F%2Fwww.roads.maryland.gov%2FLocation%2F2013_Montgomery.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></li> <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_Frederick.pdf"><i>Frederick County</i></a> <span class="cs1-format">(PDF)</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Frederick+County&rft_id=https%3A%2F%2Fwww.roads.maryland.gov%2FLocation%2F2013_Frederick.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></li></ul> </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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fhwa.dot.gov/infrastructure/ddehwy.cfm">"Dwight D. Eisenhower Highway"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">April 5,</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Dwight+D.+Eisenhower+Highway&rft_id=https%3A%2F%2Fwww.fhwa.dot.gov%2Finfrastructure%2Fddehwy.cfm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-inflation-USGDP-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-inflation-USGDP_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-inflation-USGDP_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-inflation-USGDP_4-2"><sup><i><b>c</b></i></sup></a></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+270+%28Maryland%29" 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-google-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-google_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-google_5-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-google_5-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-google_5-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-google_5-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-google_5-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-google_5-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-google_5-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-google_5-8"><sup><i><b>i</b></i></sup></a> <a href="#cite_ref-google_5-9"><sup><i><b>j</b></i></sup></a> <a href="#cite_ref-google_5-10"><sup><i><b>k</b></i></sup></a> <a href="#cite_ref-google_5-11"><sup><i><b>l</b></i></sup></a> <a href="#cite_ref-google_5-12"><sup><i><b>m</b></i></sup></a> <a href="#cite_ref-google_5-13"><sup><i><b>n</b></i></sup></a> <a href="#cite_ref-google_5-14"><sup><i><b>o</b></i></sup></a> <a href="#cite_ref-google_5-15"><sup><i><b>p</b></i></sup></a> <a href="#cite_ref-google_5-16"><sup><i><b>q</b></i></sup></a> <a href="#cite_ref-google_5-17"><sup><i><b>r</b></i></sup></a> <a href="#cite_ref-google_5-18"><sup><i><b>s</b></i></sup></a> <a href="#cite_ref-google_5-19"><sup><i><b>t</b></i></sup></a></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?f=d&source=s_d&saddr=Interstate+270+%4039.016,+-77.1&daddr=US+40+and+Interstate+270+frederick,+md&geocode=FUBWUwIdIIxn-w%3B&hl=en&mra=ls&sll=39.375445,-77.381516&sspn=0.117303,0.219727&ie=UTF8&t=h&z=10">"overview of Interstate 270"</a> (Map). <i><a href="/wiki/Google_Maps" title="Google Maps">Google Maps</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">May 11,</span> 2009</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+of+Interstate+270&rft_id=https%3A%2F%2Fmaps.google.com%2Fmaps%3Ff%3Dd%26source%3Ds_d%26saddr%3DInterstate%2B270%2B%254039.016%2C%2B-77.1%26daddr%3DUS%2B40%2Band%2BInterstate%2B270%2Bfrederick%2C%2Bmd%26geocode%3DFUBWUwIdIIxn-w%253B%26hl%3Den%26mra%3Dls%26sll%3D39.375445%2C-77.381516%26sspn%3D0.117303%2C0.219727%26ie%3DUTF8%26t%3Dh%26z%3D10&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span><span class="error"></span></span> </li> <li id="cite_note-hov-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-hov_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-hov_6-1"><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://www.roads.maryland.gov/mdotsha/pages/Index.aspx?PageId=249">"High-Occupancy Vehicle (HOV) Lanes Frequently Asked Questions"</a>. Maryland State Highway Administration<span class="reference-accessdate">. Retrieved <span class="nowrap">April 27,</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=High-Occupancy+Vehicle+%28HOV%29+Lanes+Frequently+Asked+Questions&rft.pub=Maryland+State+Highway+Administration&rft_id=https%3A%2F%2Fwww.roads.maryland.gov%2Fmdotsha%2Fpages%2FIndex.aspx%3FPageId%3D249&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-express-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-express_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-express_7-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-express_7-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">McDevitt, Betty. "Express Highway System Plans Revealed for Md.-Capital Area". <i>The Washington Post</i>. November 21, 1944. p. 1.</span> </li> <li id="cite_note-chamber-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-chamber_8-0">^</a></b></span> <span class="reference-text">"Bethesda Chamber Approves Proposed Road". <i>The Washington Post</i>. December 20, 1944. p. 14.</span> </li> <li id="cite_note-study-9"><span class="mw-cite-backlink">^ <a href="#cite_ref-study_9-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-study_9-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">"Freeway Route Study Urged Before Action". <i>The Washington Post</i>. May 17, 1946. p. 4.</span> </li> <li id="cite_note-westroute-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-westroute_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-westroute_10-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">"West Route Selected for New 'Freeway'". <i>The Washington Post</i>. August 27, 1946. p. 4.</span> </li> <li id="cite_note-bmetro-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-bmetro_11-0">^</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://web.archive.org/web/20101227234104/http://www.baltometro.org/reports/MajorTransMilestones.pdf">"Major transportation milestones in the Baltimore region since 1940"</a> <span class="cs1-format">(PDF)</span>. Baltimore Metropolitan Council. Archived from <a rel="nofollow" class="external text" href="http://www.baltometro.org/reports/MajorTransMilestones.pdf">the original</a> <span class="cs1-format">(PDF)</span> on December 27, 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">April 21,</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Major+transportation+milestones+in+the+Baltimore+region+since+1940&rft.pub=Baltimore+Metropolitan+Council&rft_id=http%3A%2F%2Fwww.baltometro.org%2Freports%2FMajorTransMilestones.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text">"NCPPC Plan For Freeway From North Is Revealed: Details Announced For Highway From Montgomery Into District, Virginia". <i>The Washington Post</i>. December 8, 1949. p. B1.</span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text">Roberts, Chalmers M. "30-Year Plan For District Revives Old Road Feuds: Through Highway Linking Downtown To Montgomery Seen Biggest Need". <i>The Washington Post</i>. November 22, 1950. p. B1.</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">"Section Of Washington Pike To Be Dedicated". <i>The Baltimore Sun</i>. January 23, 1953. p. 13. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/541649930">541649930</a></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">"5-Mile Link Of Rt. 240 Is Completed". <i>The Washington Post</i>. June 10, 1953. p. 13. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/152577075">152577075</a></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">"New Section of Pike Opens Today in Md." <i>The Washington Post</i>. September 15, 1954. p 18. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/148562568">148562568</a></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">"McKeldin Opens New Pike Link". <i>The Washington Post</i>. September 16, 1954. p. 3. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/148472694">148472694</a></span> </li> <li id="cite_note-rodgers-18"><span class="mw-cite-backlink">^ <a href="#cite_ref-rodgers_18-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-rodgers_18-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">"<a rel="nofollow" class="external text" href="http://www.rodgers.com/pdf/Rodgers-Consulting-50-Years-of-Success.pdf">Rodgers Consulting – 50 years of success</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110715195422/http://www.rodgers.com/pdf/Rodgers-Consulting-50-Years-of-Success.pdf">Archived</a> July 15, 2011, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>". <i>Rodgers Consulting</i>. Retrieved May 6, 2009.</span> </li> <li id="cite_note-MD_1954_map-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-MD_1954_map_19-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaryland_State_Roads_Commission1954" class="citation map cs1">Maryland State Roads Commission (1954). <a rel="nofollow" class="external text" href="http://msa.maryland.gov/megafile/msa/speccol/sc4400/sc4409/000002/000000/000024/restricted/msa_sc_5458_51_3145-39.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=1954&rft.au=Maryland+State+Roads+Commission&rft_id=http%3A%2F%2Fmsa.maryland.gov%2Fmegafile%2Fmsa%2Fspeccol%2Fsc4400%2Fsc4409%2F000002%2F000000%2F000024%2Frestricted%2Fmsa_sc_5458_51_3145-39.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-MD_1955_map-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-MD_1955_map_20-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaryland_State_Roads_Commission1955" class="citation map cs1">Maryland State Roads Commission (1955). <a rel="nofollow" class="external text" href="http://msa.maryland.gov/megafile/msa/speccol/sc4400/sc4409/000002/000000/000025/restricted/msa_sc_5458_51_3145-38.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=1955&rft.au=Maryland+State+Roads+Commission&rft_id=http%3A%2F%2Fmsa.maryland.gov%2Fmegafile%2Fmsa%2Fspeccol%2Fsc4400%2Fsc4409%2F000002%2F000000%2F000025%2Frestricted%2Fmsa_sc_5458_51_3145-38.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-disputed-21"><span class="mw-cite-backlink">^ <a href="#cite_ref-disputed_21-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-disputed_21-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">"Disputed Stretch of Pike Opens Calmly at Rockville". <i>The Washington Post</i>. May 19, 1956. p. 17. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/148869923">148869923</a></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">Elder, Shirley (May 13, 1956). "Mayor Proposes 'Human Barricade' To Block Pike Opening at Rockville". <i>The Washington Post</i>. May 13, 1956. p. A1. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/148821987">148821987</a></span> </li> <li id="cite_note-showdown-23"><span class="mw-cite-backlink">^ <a href="#cite_ref-showdown_23-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-showdown_23-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">"Montgomery Faces Road Showdown". <i>The Washington Post</i>. June 13, 1956. p. 18. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/148774187">148774187</a></span> </li> <li id="cite_note-stern-24"><span class="mw-cite-backlink">^ <a href="#cite_ref-stern_24-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-stern_24-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Stern, Lawrence (September 2, 1956). "Montgomery Council Clears Pike Obstacle". <i>The Washington Post</i>. p. A16. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/148774187">148774187</a></span> </li> <li id="cite_note-MD_1956_map-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-MD_1956_map_25-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaryland_State_Roads_Commission1956" class="citation map cs1">Maryland State Roads Commission (1956). <a rel="nofollow" class="external text" href="http://msa.maryland.gov/megafile/msa/speccol/sc4400/sc4409/000002/000000/000026/restricted/msa_sc_5458_51_3145-37.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=1956&rft.au=Maryland+State+Roads+Commission&rft_id=http%3A%2F%2Fmsa.maryland.gov%2Fmegafile%2Fmsa%2Fspeccol%2Fsc4400%2Fsc4409%2F000002%2F000000%2F000026%2Frestricted%2Fmsa_sc_5458_51_3145-37.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" 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">"Rt. 240 Bypass To Open Dec." <i>The Washington Post</i>. November 15, 1957. p. B2. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ProQuest" title="ProQuest">ProQuest</a> <a rel="nofollow" class="external text" href="https://search.proquest.com/docview/148964630">148964630</a></span> </li> <li id="cite_note-MD_1958_map-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-MD_1958_map_27-0">^</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+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-MD_1959_map-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-MD_1959_map_28-0">^</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+270+%28Maryland%29" class="Z3988"></span></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">Anderson, J.W. (December 18, 1958). "Montgomery Section Of Route 240 Opened". <i>The Washington Post</i>. p. 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(August 21, 2023). <a rel="nofollow" class="external text" href="https://www.marylandmatters.org/2023/08/21/state-seeks-federal-grant-to-rebuild-american-legion-bridge-i-495-toll-lanes/">"State seeks federal grant to rebuild American Legion Bridge, I-495 toll lanes"</a>. <i>Maryland Matters</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Maryland+Matters&rft.atitle=State+seeks+federal+grant+to+rebuild+American+Legion+Bridge%2C+I-495+toll+lanes&rft.date=2023-08-21&rft.aulast=Sears&rft.aufirst=Bryan+P.&rft_id=https%3A%2F%2Fwww.marylandmatters.org%2F2023%2F08%2F21%2Fstate-seeks-federal-grant-to-rebuild-american-legion-bridge-i-495-toll-lanes%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span></span> </li> <li id="cite_note-google2-59"><span class="mw-cite-backlink">^ <a href="#cite_ref-google2_59-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-google2_59-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-google2_59-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-google2_59-3"><sup><i><b>d</b></i></sup></a></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?f=d&source=s_d&saddr=Interstate+270+and+Interstate+495+bethesda,+md&daddr=Interstate+270+%40+39.033,+-77.142&geocode=&hl=en&mra=ls&sll=39.024318,-77.139473&sspn=0.029473,0.054932&ie=UTF8&ll=39.021651,-77.146597&spn=0.029474,0.054932&t=h&z=14">"overview of Interstate 270 Spur"</a> (Map). <i><a href="/wiki/Google_Maps" title="Google Maps">Google Maps</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">May 11,</span> 2009</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+of+Interstate+270+Spur&rft_id=https%3A%2F%2Fmaps.google.com%2Fmaps%3Ff%3Dd%26source%3Ds_d%26saddr%3DInterstate%2B270%2Band%2BInterstate%2B495%2Bbethesda%2C%2Bmd%26daddr%3DInterstate%2B270%2B%2540%2B39.033%2C%2B-77.142%26geocode%3D%26hl%3Den%26mra%3Dls%26sll%3D39.024318%2C-77.139473%26sspn%3D0.029473%2C0.054932%26ie%3DUTF8%26ll%3D39.021651%2C-77.146597%26spn%3D0.029474%2C0.054932%26t%3Dh%26z%3D14&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+270+%28Maryland%29" class="Z3988"></span><span class="error"></span></span> </li> </ol></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_270_(Maryland)&action=edit&section=9" title="Edit 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href="http://www.kurumi.com/roads/3di/i270.html#270md">I-270 on Kurumi.com</a></li> <li><a rel="nofollow" class="external text" href="https://www.aaroads.com/interstate-guide/i-270-md/">Interstate Guide – I-270</a></li> <li><a rel="nofollow" class="external text" href="http://www.mdroads.com/routes/is270.html">I-270 at MDRoads.com</a></li> <li><a rel="nofollow" class="external text" href="https://www.aaroads.com/guides/i-270-md/">I-270 at AARoads.com</a></li> <li><a rel="nofollow" class="external text" href="https://www.alpsroads.net/roads/md/i-270/">Maryland Roads - I-270</a></li> <li><a rel="nofollow" class="external text" href="http://www.dcroads.net/roads/I-270_MD/">I-270 (Washington National Pike) at Steve Anderson's DCRoads.net</a></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid 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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:I-70_aux" title="Template:I-70 aux"><abbr title="View this template" style="color:white">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:I-70_aux" title="Template talk:I-70 aux"><abbr title="Discuss this template" style="color:white">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:I-70_aux" title="Special:EditPage/Template:I-70 aux"><abbr title="Edit this template" style="color:white">e</abbr></a></li></ul></div><div id="Auxiliary_routes_of_Interstate_70" 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 href="/wiki/Interstate_70" title="Interstate 70"><span style="color:white;">Interstate 70</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_70_in_Utah" title="Interstate 70 in Utah">Utah</a></b> <ul><li><a href="/wiki/Business_routes_of_Interstate_70" title="Business routes of Interstate 70">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_70_in_Colorado" title="Interstate 70 in Colorado">Colorado</a></b> <ul><li><a href="/wiki/Interstate_270_(Colorado)" title="Interstate 270 (Colorado)">270</a></li> <li><a href="/wiki/Colorado_State_Highway_470" title="Colorado State Highway 470">470</a><sup>1</sup></li> <li><a href="/wiki/Business_routes_of_Interstate_70_in_Colorado" title="Business routes of Interstate 70 in Colorado">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_70_in_Kansas" title="Interstate 70 in Kansas">Kansas</a></b> <ul><li><a href="/wiki/Interstate_470_(Kansas)" title="Interstate 470 (Kansas)">470</a></li> <li><a href="/wiki/Interstate_670_(Kansas%E2%80%93Missouri)" title="Interstate 670 (Kansas–Missouri)">670</a></li> <li><a href="/wiki/Business_routes_of_Interstate_70" title="Business routes of Interstate 70">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_70_in_Missouri" title="Interstate 70 in Missouri">Missouri</a></b> <ul><li><a href="/wiki/Interstate_170" title="Interstate 170">170</a></li> <li><a href="/wiki/Interstate_270_(Missouri%E2%80%93Illinois)" title="Interstate 270 (Missouri–Illinois)">270</a></li> <li><a href="/wiki/Missouri_Route_370" title="Missouri Route 370">370</a><sup>2</sup></li> <li><a href="/wiki/Interstate_470_(Missouri)" title="Interstate 470 (Missouri)">470</a></li> <li><a href="/wiki/Interstate_670_(Kansas%E2%80%93Missouri)" title="Interstate 670 (Kansas–Missouri)">670</a></li> <li><a href="/wiki/Business_routes_of_Interstate_70" title="Business routes of Interstate 70">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_70_in_Illinois" title="Interstate 70 in Illinois">Illinois</a></b> <ul><li><a href="/wiki/Interstate_270_(Missouri%E2%80%93Illinois)" title="Interstate 270 (Missouri–Illinois)">270</a></li></ul></li> <li><b><a href="/wiki/Interstate_70_in_Ohio" title="Interstate 70 in Ohio">Ohio</a></b> <ul><li><a href="/wiki/Interstate_270_(Ohio)" title="Interstate 270 (Ohio)">270</a></li> <li><a href="/wiki/Interstate_470_(Ohio%E2%80%93West_Virginia)" title="Interstate 470 (Ohio–West Virginia)">470</a></li> <li><a href="/wiki/Interstate_670_(Ohio)" title="Interstate 670 (Ohio)">670</a></li> <li><a href="/wiki/Business_routes_of_Interstate_70" title="Business routes of Interstate 70">Business</a><sup>1</sup></li></ul></li> <li><b><a href="/wiki/Interstate_70_in_West_Virginia" title="Interstate 70 in West Virginia">West Virginia</a></b> <ul><li><a href="/wiki/Interstate_470_(Ohio%E2%80%93West_Virginia)" title="Interstate 470 (Ohio–West Virginia)">470</a></li></ul></li> <li><b><a href="/wiki/Interstate_70_in_Maryland" title="Interstate 70 in Maryland">Maryland</a></b> <ul><li><a href="/wiki/Interstate_170_(Maryland)" title="Interstate 170 (Maryland)">170</a><sup>1</sup></li> <li><a class="mw-selflink selflink">270</a></li> <li><a class="mw-selflink selflink">270 Spur</a></li> <li><a href="/wiki/Interstate_370" title="Interstate 370">370</a></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"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/40px-I-70.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/60px-I-70.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/65/I-70.svg/80px-I-70.svg.png 2x" data-file-width="601" data-file-height="601" /></span></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</li> <li><sup>2</sup>Proposed</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"><style 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0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/315527893">VIAF</a></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Maryland--Interstate 270"><a rel="nofollow" class="external text" href="http://id.worldcat.org/fast/1270763/">FAST</a></span></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Interstate 270 (Md.)"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh94007407">United States</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007556335105171">Israel</a></span></li></ul></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Interstate_270_(Maryland)&oldid=1247277395">https://en.wikipedia.org/w/index.php?title=Interstate_270_(Maryland)&oldid=1247277395</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Interstate_70" title="Category:Interstate 70">Interstate 70</a></li><li><a href="/wiki/Category:Auxiliary_Interstate_Highways" title="Category:Auxiliary Interstate 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