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.header-BEL,.mw-parser-output .header-COD{background:#005b8c;color:#fff}.mw-parser-output .header-BIH{background:#0b8f4b;color:#fff}.mw-parser-output .header-CYP-A{background:#005024;color:#ffc000}.mw-parser-output .header-DEU-B,.mw-parser-output .header-LUX,.mw-parser-output .header-MKD,.mw-parser-output .header-MNE,.mw-parser-output .header-SRB,.mw-parser-output .header-SVN,.mw-parser-output .header-YUG{background:#fc3}.mw-parser-output .header-DEU-scenic{background:#633a34;color:#fff}.mw-parser-output .header-DNK-red{background:#fff;color:#af1e2d;border:2px solid #af1e2d}.mw-parser-output .header-ESP{background:#e8e8e8}.mw-parser-output .header-ESP-A,.mw-parser-output .header-ESP-AP,.mw-parser-output .header-ESP-Autovia,.mw-parser-output .header-ESP-Autopista{background:#19408b;color:#fff}.mw-parser-output .header-ESP-N{background:#bf0411;color:#fff}.mw-parser-output .header-FIN-blue{background:#005eb8;color:#fff}.mw-parser-output .header-FIN-green{background:#00997c;color:#fff}.mw-parser-output .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-640.svg" class="mw-file-description"><img alt="Interstate 640 marker" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/I-640.svg/90px-I-640.svg.png" decoding="async" width="90" height="72" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/I-640.svg/135px-I-640.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a7/I-640.svg/180px-I-640.svg.png 2x" data-file-width="751" data-file-height="601" /></a></span></div><div style="margin:0.1em;">Interstate 640</div></div></th></tr><tr><td colspan="2" class="infobox-image"><div style="white-space:nowrap;"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 290px; height: 230px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="290" data-height="230" data-zoom="11" data-lat="35.994" data-lon="-83.918" data-overlays="["_fa53c22bd6557316621376aa2afbc34a21c600d3"]" href="/wiki/Special:Map/11/35.994/-83.918/en"><img src="https://maps.wikimedia.org/img/osm-intl,11,35.994,-83.918,290x230.png?lang=en&domain=en.wikipedia.org&title=Interstate_640&revid=1245143310&groups=_fa53c22bd6557316621376aa2afbc34a21c600d3" width="290" height="230" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,11,35.994,-83.918,290x230@2x.png?lang=en&domain=en.wikipedia.org&title=Interstate_640&revid=1245143310&groups=_fa53c22bd6557316621376aa2afbc34a21c600d3 2x" alt="Map" /></a></div><div class="infobox-caption">I-640 highlighted in red</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_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a></td></tr><tr><td colspan="2" class="infobox-full-data">Maintained by <a href="/wiki/Tennessee_Department_of_Transportation" title="Tennessee Department of Transportation">TDOT</a></td></tr><tr><th scope="row" class="infobox-label">Length</th><td class="infobox-data">10.80 mi<sup id="cite_ref-gm_1-0" class="reference"><a href="#cite_note-gm-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> (17.38 km)</td></tr><tr><th scope="row" class="infobox-label">Existed</th><td class="infobox-data plainlist">November 12, 1958<sup id="cite_ref-AASHO-1958_2-0" class="reference"><a href="#cite_note-AASHO-1958-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>–present</td></tr><tr><th scope="row" class="infobox-label">History</th><td class="infobox-data plainlist">Completed in 1982</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">West end</th><td class="infobox-data"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/24px-I-75.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/36px-I-75.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/48px-I-75.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span> <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> / <a href="/wiki/Interstate_75_in_Tennessee" title="Interstate 75 in Tennessee">I-75</a> in <a href="/wiki/Knoxville,_Tennessee" title="Knoxville, Tennessee">Knoxville</a></td></tr><tr><th scope="row" class="infobox-label"><span style="display:none;">Major intersections</span></th><td class="infobox-data plainlist"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"> <ul><li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/30px-US_25W.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/45px-US_25W.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/60px-US_25W.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_25W_in_Tennessee" class="mw-redirect" title="U.S. Route 25W in Tennessee">US 25W</a> in Knoxville</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/24px-I-75.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/36px-I-75.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/48px-I-75.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/5/54/I-275.svg/30px-I-275.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/54/I-275.svg/45px-I-275.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/54/I-275.svg/60px-I-275.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Interstate_75_in_Tennessee" title="Interstate 75 in Tennessee">I-75</a> / <a href="/wiki/Interstate_275_(Tennessee)" title="Interstate 275 (Tennessee)">I-275</a> in Knoxville</li> <li><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/US_441.svg/30px-US_441.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/US_441.svg/45px-US_441.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/US_441.svg/60px-US_441.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_441_in_Tennessee" title="U.S. Route 441 in Tennessee">US 441</a> in Knoxville</li></ul> </div></td></tr><tr><th scope="row" class="infobox-label">East end</th><td class="infobox-data"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/30px-US_25W.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/45px-US_25W.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/60px-US_25W.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> / <a href="/wiki/U.S._Route_25W_in_Tennessee" class="mw-redirect" title="U.S. Route 25W in Tennessee">US 25W</a> in Knoxville</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/Tennessee" title="Tennessee">Tennessee</a></td></tr><tr><th scope="row" class="infobox-label">Counties</th><td class="infobox-data"><a href="/wiki/Knox_County,_Tennessee" title="Knox County, Tennessee">Knox</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/Tennessee_State_Route_System" title="Tennessee State Route System">Tennessee State Routes</a></b></li></ul> <ul><li><a href="/wiki/List_of_Interstate_Highways_in_Tennessee" title="List of Interstate Highways in Tennessee">Interstate</a></li> <li><a href="/wiki/List_of_U.S._Highways_in_Tennessee" title="List of U.S. Highways in Tennessee">US</a></li> <li><a href="/wiki/List_of_state_routes_in_Tennessee" title="List of state routes in Tennessee">State</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/6/6c/Secondary_Tennessee_477.svg/24px-Secondary_Tennessee_477.svg.png" decoding="async" width="24" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Secondary_Tennessee_477.svg/36px-Secondary_Tennessee_477.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Secondary_Tennessee_477.svg/48px-Secondary_Tennessee_477.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/Tennessee_State_Route_477" title="Tennessee State Route 477">SR 477</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/9/95/US_641.svg/24px-US_641.svg.png" decoding="async" width="24" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/95/US_641.svg/36px-US_641.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/95/US_641.svg/48px-US_641.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_641_in_Tennessee" class="mw-redirect" title="U.S. Route 641 in Tennessee">US 641</a></span></td></tr></tbody></table></td></tr></tbody></table> <p><b>Interstate 640</b> (<b>I-640</b>) is an east–west <a href="/wiki/List_of_auxiliary_Interstate_Highways" title="List of auxiliary Interstate Highways">auxiliary Interstate Highway</a> in <a href="/wiki/Knoxville,_Tennessee" title="Knoxville, Tennessee">Knoxville, Tennessee</a>. It serves as a <a href="/wiki/Bypass_(road)" title="Bypass (road)">bypass</a> for <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> around <a href="/wiki/Downtown_Knoxville" title="Downtown Knoxville">Downtown Knoxville</a> and is also an alternative route for traffic passing between I-40 and <a href="/wiki/Interstate_75_in_Tennessee" title="Interstate 75 in Tennessee">I-75</a>. All trucks carrying <a href="/wiki/Dangerous_goods" title="Dangerous goods">hazardous cargo</a> through Knoxville are required to use I-640. It has a total length of 10.80 miles (17.38 km) and runs approximately three miles (4.8 km) north of downtown through the northern neighborhoods of Knoxville.<sup id="cite_ref-gm_1-1" class="reference"><a href="#cite_note-gm-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>For its first 3 miles (4.8 km), I-640 has a <a href="/wiki/Concurrency_(road)" title="Concurrency (road)">concurrency</a> with I-75, although exits along this segment are numbered according to the former's mileage. For the rest of its length, the Interstate maintains an unsigned concurrency with <a href="/wiki/U.S._Route_25W" title="U.S. Route 25W">U.S. Route 25W</a> (US 25W). Both of these highways were rerouted from their original alignments upon I-640's completion. </p><p>The route that is now I-640 was first planned by the city of Knoxville in 1945 and initiated by the <a href="/wiki/Federal_Aid_Highway_Act_of_1956" class="mw-redirect" title="Federal Aid Highway Act of 1956">Federal Aid Highway Act of 1956</a>, along with most of the <a href="/wiki/Interstate_Highway_System" title="Interstate Highway System">Interstate Highway System</a>. Initial construction work began in the early 1960s, and for many years, only two miles (3.2 km) of the highway was open to traffic. Work on the remainder of I-640 began in 1977, and the last section was completed in 1982. </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_640&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:Interstate_640_-_Tennessee.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/Interstate_640_-_Tennessee.jpg/220px-Interstate_640_-_Tennessee.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/Interstate_640_-_Tennessee.jpg/330px-Interstate_640_-_Tennessee.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/Interstate_640_-_Tennessee.jpg/440px-Interstate_640_-_Tennessee.jpg 2x" data-file-width="1600" data-file-height="1200" /></a><figcaption>I-640 westbound at <a href="/wiki/Tennessee_State_Route_62" title="Tennessee State Route 62">SR 62</a> (Western Avenue)</figcaption></figure> <p>I-640 has three lanes in each direction for its entire length, in addition to <a href="/wiki/Auxiliary_lane" class="mw-redirect" title="Auxiliary lane">auxiliary lanes</a> between some interchanges. In 2022, <a href="/wiki/Annual_average_daily_traffic" title="Annual average daily traffic">annual average daily traffic</a> (AADT) counts ranged from 70,244 vehicles per day at the highway's eastern terminus to 104,064 vehicles on the western leg.<sup id="cite_ref-reconstruction_3-0" class="reference"><a href="#cite_note-reconstruction-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ms2_4-0" class="reference"><a href="#cite_note-ms2-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Unlike the other Interstate Highways in Knoxville, however, I-640 rarely experiences severe congestion.<sup id="cite_ref-ms2_4-1" class="reference"><a href="#cite_note-ms2-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>I-640 begins west of <a href="/wiki/Downtown_Knoxville" title="Downtown Knoxville">Downtown Knoxville</a> at a <a href="/wiki/Semi-directional_T_interchange" class="mw-redirect" title="Semi-directional T interchange">semi-directional T interchange</a> with I-40 and I-75, where the latter continues onto a <a href="/wiki/Concurrency_(road)" title="Concurrency (road)">concurrency</a> with I-640. Along this section, I-640 is treated as the primary route, with exits numbered according to its mileage. Initially heading northwest, the Interstate immediately passes under <a href="/wiki/Tennessee_State_Route_169" title="Tennessee State Route 169">State Route 169</a> (SR 169, Middlebrook Pike) without an interchange.<sup id="cite_ref-gm_1-2" class="reference"><a href="#cite_note-gm-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tdotmap_5-0" class="reference"><a href="#cite_note-tdotmap-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> A short distance beyond this point, the highway turns north and crosses a <a href="/wiki/CSX_Transportation" title="CSX Transportation">CSX</a> railroad <a href="/wiki/Main_line_(railway)" title="Main line (railway)">mainline</a>,<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> intersecting with <a href="/wiki/Tennessee_State_Route_62" title="Tennessee State Route 62">SR 62</a> (Western Avenue) in a <a href="/wiki/Partial_cloverleaf_interchange" title="Partial cloverleaf interchange">partial cloverleaf interchange</a> a short distance later. It then veers northeast into the southern fringes of Dutch Valley, running along the northern base of <a href="/wiki/Sharp%27s_Ridge" title="Sharp's Ridge">Sharp's Ridge</a>. About 1.5 miles (2.4 km) later, I-640 reaches an unusual three-level <a href="/wiki/Interchange_(road)#Combination_interchange" title="Interchange (road)">combination interchange</a>, commonly known as the Sharp's Gap Interchange, with <a href="/wiki/U.S._Route_25W" title="U.S. Route 25W">US 25W</a> (Clinton Highway), I-75, and the northern terminus of <a href="/wiki/Interstate_275_(Tennessee)" title="Interstate 275 (Tennessee)">I-275</a>. A series of towering <a href="/wiki/Radio_masts_and_towers" title="Radio masts and towers">radio masts</a> on Sharp's Ridge dominate the view to the south here.<sup id="cite_ref-gm_1-3" class="reference"><a href="#cite_note-gm-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tdotmap_5-1" class="reference"><a href="#cite_note-tdotmap-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:I-640_eastbound.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-640_eastbound.jpg/220px-I-640_eastbound.jpg" decoding="async" width="220" height="143" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-640_eastbound.jpg/330px-I-640_eastbound.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/I-640_eastbound.jpg/440px-I-640_eastbound.jpg 2x" data-file-width="1833" data-file-height="1193" /></a><figcaption>I-640 eastbound near the I-75/I-275/US 25W (Sharp's Gap) interchange</figcaption></figure> <p>At this interchange, I-75 splits off, heading north towards <a href="/wiki/Lexington,_Kentucky" title="Lexington, Kentucky">Lexington, Kentucky</a>, and US 25W and <a href="/wiki/Tennessee_State_Route_9" title="Tennessee State Route 9">SR 9</a> begin an unsigned concurrency with I-640. Also at this interchange, SR 9 continues onto an unsigned concurrency with US 25W north to <a href="/wiki/Clinton,_Tennessee" title="Clinton, Tennessee">Clinton</a>.<sup id="cite_ref-gm_1-4" class="reference"><a href="#cite_note-gm-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tdotmap_5-2" class="reference"><a href="#cite_note-tdotmap-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The highway then shifts slightly east-northeast and, a few miles later, has a partial cloverleaf interchange with <a href="/wiki/U.S._Route_441_in_Tennessee" title="U.S. Route 441 in Tennessee">US 441</a> (Broadway). A short distance later, I-640 crosses a <a href="/wiki/Norfolk_Southern_Railway" title="Norfolk Southern Railway">Norfolk Southern Railway</a> mainline.<sup id="cite_ref-nsr_7-0" class="reference"><a href="#cite_note-nsr-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Some distance later, the freeway turns almost directly east. It then reaches an interchange with Washington Pike and Millertown Pike; access between the two is provided via <a href="/wiki/Frontage_road" title="Frontage road">frontage roads</a> on both sides of the Interstate.<sup id="cite_ref-gm_1-5" class="reference"><a href="#cite_note-gm-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The highway then gradually shifts south and, a few miles later, crosses another Norfolk Southern mainline and <a href="/wiki/U.S._Route_11W" title="U.S. Route 11W">US 11W</a> (Rutledge Pike) without intersecting this route.<sup id="cite_ref-nsr_7-1" class="reference"><a href="#cite_note-nsr-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> I-640 then reaches its eastern terminus at a semi-directional T interchange with I-40 on the eastern outskirts of Knoxville. Here, US 25W and SR 9 continue onto a brief unsigned concurrency with I-40, heading eastward toward <a href="/wiki/Asheville,_North_Carolina" title="Asheville, North Carolina">Asheville, North Carolina</a>.<sup id="cite_ref-gm_1-6" class="reference"><a href="#cite_note-gm-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-tdotmap_5-3" class="reference"><a href="#cite_note-tdotmap-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div style="clear:both;" class=""></div> <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_640&action=edit&section=2" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Planning_and_construction">Planning and construction</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_640&action=edit&section=3" title="Edit section: Planning and construction"><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:Knoxville,_Tennessee_1955_Yellow_Book.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Knoxville%2C_Tennessee_1955_Yellow_Book.jpg/220px-Knoxville%2C_Tennessee_1955_Yellow_Book.jpg" decoding="async" width="220" height="265" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Knoxville%2C_Tennessee_1955_Yellow_Book.jpg/330px-Knoxville%2C_Tennessee_1955_Yellow_Book.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/Knoxville%2C_Tennessee_1955_Yellow_Book.jpg/440px-Knoxville%2C_Tennessee_1955_Yellow_Book.jpg 2x" data-file-width="800" data-file-height="965" /></a><figcaption>1955 federal <a href="/wiki/Federal_Highway_Administration" title="Federal Highway Administration">Bureau of Public Roads</a> highway plan for Knoxville</figcaption></figure> <p>The highway that is now I-640 had its origins in a plan commissioned by the city of Knoxville in 1945, which recommended that a series of expressways be constructed throughout the city to relieve traffic on surface streets.<sup id="cite_ref-smith_8-0" class="reference"><a href="#cite_note-smith-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> It was initially known as the Dutch Valley Loop during its planning phase and roughly followed its current alignment.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Planners intended these freeways to be integrated into the then-proposed nationwide highway network that later became the <a href="/wiki/Interstate_Highway_System" title="Interstate Highway System">Interstate Highway System</a>, which, at the time, was expected to eventually be authorized by Congress.<sup id="cite_ref-smith_8-1" class="reference"><a href="#cite_note-smith-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ferguson_11-0" class="reference"><a href="#cite_note-ferguson-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> After the passage of the <a href="/wiki/Federal-Aid_Highway_Act_of_1956" title="Federal-Aid Highway Act of 1956">Federal-Aid Highway Act of 1956</a>, which initiated the Interstate system, the highway was designated as I-640 by the <a href="/wiki/American_Association_of_State_Highway_Transportation_Officials" class="mw-redirect" title="American Association of State Highway Transportation Officials">American Association of State Highway Officials</a> (AASHO) on November 12, 1958.<sup id="cite_ref-AASHO-1958_2-1" class="reference"><a href="#cite_note-AASHO-1958-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Construction on the interchange between I-640, I-75, I-275, and US 25W began in February 1961,<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><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> as part of the project to build the segment of I-75 (now I-275) directly south of this interchange, which had begun construction in March 1958.<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> It was completed in November 1962 and dedicated on January 3, 1963.<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><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> On December 4, 1964, what is now the interchange between I-40/I-75 and a short segment of I-640 extending north to SR 169 (Middlebrook Pike) was opened to traffic, providing access between both routes to local motorists.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> The connecting segment of I-40/I-75 was also opened to all traffic at the same time.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> Work on the 2.2-mile (3.5 km) segment between I-75/I-275/US 25W and US 441 began in October 1968 and was completed on December 15, 1970.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>The remainder of I-640 was initially delayed by disputes over its final alignment and disagreements between the city of Knoxville and the state over the improvement of nearby surface streets.<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> In addition, new requirements imposed by the <a href="/wiki/National_Environmental_Policy_Act" title="National Environmental Policy Act">National Environmental Policy Act</a> (NEPA) of 1969 required that an <a href="/wiki/Environmental_impact_statement" title="Environmental impact statement">environmental impact statement</a> (EIS) be prepared for the remaining segments.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> Environmental studies took place between 1973 and 1978, with the <a href="/wiki/Federal_Highway_Administration" title="Federal Highway Administration">Federal Highway Administration</a> (FHWA) approving the EIS for the western leg in November 1975 and the EIS for the eastern leg in March 1978.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> Construction of these sections was then funded as part of a $250 million (equivalent to $668 million in 2023<sup id="cite_ref-inflation-USGDP_26-0" class="reference"><a href="#cite_note-inflation-USGDP-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup>) multiphase improvement project on multiple roads in the Knoxville vicinity that was conducted in preparation for the <a href="/wiki/1982_World%27s_Fair" title="1982 World's Fair">1982 World's Fair</a>.<sup id="cite_ref-82report_27-0" class="reference"><a href="#cite_note-82report-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p><p>Construction on the section between I-40/I-75 and I-75/I-275/US 25W began in October 1977,<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> and work to modify the Sharp's Gap Interchange, which included construction of two new flyover ramps, began in August 1978.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> This section opened to traffic on December 23, 1980.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-knoxnews1280_33-0" class="reference"><a href="#cite_note-knoxnews1280-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> At this time, I-75 was rerouted onto this section, and the part of I-75 between I-640 and I-40 in downtown Knoxville was renumbered I-275.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> This was done in an effort to divert through traffic on I-75 away from the World's Fair.<sup id="cite_ref-82report_27-1" class="reference"><a href="#cite_note-82report-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> Work on the final section, located between US 441 and the eastern terminus with I-40, began in July 1979 and was opened to traffic on December 21, 1981.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-knoxnews1281_36-0" class="reference"><a href="#cite_note-knoxnews1281-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> Final signage, lighting, and landscaping work was completed in April 1982,<sup id="cite_ref-82report_27-2" class="reference"><a href="#cite_note-82report-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> and the flyover ramp from I-40 eastbound onto I-640 at the eastern terminus opened on July 1, 1983.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> Then-<a href="/wiki/Governor_of_Tennessee" title="Governor of Tennessee">Governor</a> <a href="/wiki/Lamar_Alexander" title="Lamar Alexander">Lamar Alexander</a> officially opened both sections by leading a walk along their entire lengths dressed in his red plaid shirt that he famously wore during both of his campaigns for governor.<sup id="cite_ref-knoxnews1280_33-1" class="reference"><a href="#cite_note-knoxnews1280-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-knoxnews1281_36-1" class="reference"><a href="#cite_note-knoxnews1281-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> I-640 was the last Interstate Highway to be completed from the original 1956 allocation for the <a href="/wiki/East_Tennessee" title="East Tennessee">East Tennessee</a> <a href="/wiki/Grand_Divisions_of_Tennessee" title="Grand Divisions of Tennessee">Grand Division</a>.<sup id="cite_ref-knoxnews1280_33-2" class="reference"><a href="#cite_note-knoxnews1280-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Later_history">Later history</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_640&action=edit&section=4" title="Edit section: Later history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A new exit ramp from I-640 eastbound to Gap Road was constructed just east of the Sharp's Gap Interchange between December 18, 1985, and August 6, 1986, providing direct access to US 25W from the eastbound lanes for the first time.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup><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> The section of I-640 between the Sharp's Gap Interchange and US 441 was the only section of the route that was originally four 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> It was widened to six lanes between January 2000 and June 2003.<sup id="cite_ref-qk4_41-0" class="reference"><a href="#cite_note-qk4-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> During this project, the interchange with US 441 was also reconstructed, eliminating a loop exit ramp from I-640 eastbound and reconfiguring parts of the other ramps.<sup id="cite_ref-qk4_41-1" class="reference"><a href="#cite_note-qk4-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> </p><p>Between May 1, 2008, and June 12, 2009, through traffic passing on I-40 through Knoxville was required to use I-640 to bypass a complete closure of I-40 through downtown.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> This was conducted as part of a larger project called "SmartFix 40" to reconstruct and improve this section of I-40. During this time, the ramps at both termini of I-640 carrying this traffic were temporarily widened to three lanes to facilitate the extra volume.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> </p><p>Between April 2016 and July 2019, the interchange with US 441 was further modified. The exit ramp from I-640 westbound was lengthened, and a new loop entrance ramp from US 441 northbound onto I-640 westbound was constructed.<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> On October 21, 2019, the <a href="/wiki/Speed_limits_in_the_United_States_by_jurisdiction#Tennessee" title="Speed limits in the United States by jurisdiction">speed limit</a> on I-640 was increased from 55 mph (89 km/h) to 65 mph (105 km/h), along with the speed limits on sections of other Knoxville-area Interstates, after the <a href="/wiki/Tennessee_Department_of_Transportation" title="Tennessee Department of Transportation">Tennessee Department of Transportation</a> (TDOT) determined that the air quality had greatly improved in the area over the previous 15 years and that the vast majority of drivers were exceeding these limits by large margins.<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> </p><p>TDOT is currently reconstructing the mainline surface of I-640 in a two-phase project. The first phase, which took place in 2021, resurfaced the stretch between the Interstate's western terminus and the Sharp's Gap Interchange by removing one layer of asphalt and replacing it with two main layers and a binding layer.<sup id="cite_ref-faq_47-0" class="reference"><a href="#cite_note-faq-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> The second phase, which began on July 10, 2022, involves reconstructing the stretch between the Sharp's Gap interchange and the eastern terminus by removing the asphalt surface and <a href="/wiki/Rubblization" title="Rubblization">rubblizing</a> the original underlying concrete surface to provide a base for a new asphalt surface.<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> The deterioration of the underlying concrete had made this stretch of roadway susceptible to forming cracks and <a href="/wiki/Pothole" title="Pothole">potholes</a>, and had been patched and repaired multiple times.<sup id="cite_ref-faq_47-1" class="reference"><a href="#cite_note-faq-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup> This project was initially slated to be finished by November 30, 2023, but has been delayed until August 31, 2024, due to the discovery of higher-than-expected grades along the route and potholes on bridges.<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><sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>51<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_640&action=edit&section=5" 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/Knoxville,_Tennessee" title="Knoxville, Tennessee">Knoxville</a>, <a href="/wiki/Knox_County,_Tennessee" title="Knox County, Tennessee">Knox County</a>. </p> <table class="plainrowheaders wikitable"> <tbody><tr><th scope="col"><abbr title="Miles">mi</abbr><sup id="cite_ref-USDOT_52-0" class="reference"><a href="#cite_note-USDOT-52"><span class="cite-bracket">[</span>52<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="2" style="text-align:right">0.00</th><td rowspan="2" style="text-align:right;background-color:#eaecf0">0.00</td><td rowspan="1" title="Concurrency terminus" style="text-align:center;background-color:#ddffdd">—</td><td colspan="1" rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd"><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/3/3d/West_plate_blue.svg/24px-West_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/West_plate_blue.svg/36px-West_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3d/West_plate_blue.svg/48px-West_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/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span></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/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/9/93/I-75.svg/24px-I-75.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/36px-I-75.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/48px-I-75.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span></span> <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> west / <a href="/wiki/Interstate_75_in_Tennessee" title="Interstate 75 in Tennessee">I-75</a> south – <a href="/wiki/Nashville,_Tennessee" title="Nashville, Tennessee">Nashville</a>, <a href="/wiki/Chattanooga,_Tennessee" title="Chattanooga, Tennessee">Chattanooga</a></td><td rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd">Western terminus; western end of I-75 concurrency; I-40 exit 385</td></tr> <tr style="text-align:left"><td rowspan="1" title="Incomplete access" style="text-align:center;background-color:#ffdddd">—</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/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/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span></span> <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> east – <a href="/wiki/Knoxville,_Tennessee" title="Knoxville, Tennessee">Knoxville</a></td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Westbound left exit and eastbound entrance; I-40 exit 385</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">1.34</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">2.16</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/f/f9/Tennessee_62.svg/30px-Tennessee_62.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Tennessee_62.svg/45px-Tennessee_62.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Tennessee_62.svg/60px-Tennessee_62.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span> <a href="/wiki/Tennessee_State_Route_62" title="Tennessee State Route 62">SR 62</a> (Western Avenue)</td><td rowspan="1">Separate ramps provide access to SR 62 eastbound and westbound from eastbound lanes via <a href="/wiki/Local%E2%80%93express_lanes" title="Local–express lanes">collector–distributor lane</a>; not signed as exits 1A and 1B</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">2.97</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">4.78</td><td rowspan="2" title="Incomplete access" style="text-align:center;background-color:#ffdddd">3B</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/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/3/3c/US_25W.svg/30px-US_25W.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/45px-US_25W.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/60px-US_25W.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span></span> To <a href="/wiki/U.S._Route_25W_in_Tennessee" class="mw-redirect" title="U.S. Route 25W in Tennessee">US 25W</a> north (<a href="/wiki/Tennessee_State_Route_9" title="Tennessee State Route 9">SR 9</a> north) / Gap Road – <a href="/wiki/Clinton,_Tennessee" title="Clinton, Tennessee">Clinton</a></td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Eastbound exit only</td></tr> <tr style="text-align:left"><th scope="row" rowspan="2" style="text-align:right">3.43–<br />3.57</th><td rowspan="2" style="text-align:right;background-color:#eaecf0">5.52–<br />5.75</td><td colspan="1" rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd"><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/3/3c/US_25W.svg/30px-US_25W.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/45px-US_25W.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3c/US_25W.svg/60px-US_25W.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span></span> <a href="/wiki/U.S._Route_25W_in_Tennessee" class="mw-redirect" title="U.S. Route 25W in Tennessee">US 25W</a> north (<a href="/wiki/Tennessee_State_Route_9" title="Tennessee State Route 9">SR 9</a> north) – <a href="/wiki/Clinton,_Tennessee" title="Clinton, Tennessee">Clinton</a></td><td rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd">No eastbound exit; western end of US 25W/SR 9 concurrency</td></tr> <tr style="text-align:left"><td rowspan="1" title="Concurrency terminus" style="text-align:center;background-color:#ddffdd">3A</td><td colspan="1" rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd"><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/9/93/I-75.svg/24px-I-75.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/36px-I-75.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/I-75.svg/48px-I-75.svg.png 2x" data-file-width="601" 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/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/5/54/I-275.svg/30px-I-275.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/54/I-275.svg/45px-I-275.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/54/I-275.svg/60px-I-275.svg.png 2x" data-file-width="751" data-file-height="601" /></span></span></span> <a href="/wiki/Interstate_75_in_Tennessee" title="Interstate 75 in Tennessee">I-75</a> north / <a href="/wiki/Interstate_275_(Tennessee)" title="Interstate 275 (Tennessee)">I-275</a> south – <a href="/wiki/Knoxville,_Tennessee" title="Knoxville, Tennessee">Knoxville</a>, <a href="/wiki/Lexington,_Kentucky" title="Lexington, Kentucky">Lexington</a></td><td rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd">Eastern end of I-75 concurrency; I-275 exit 3 and I-75 exit 107</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">6.04</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">9.72</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/f/fe/US_441.svg/30px-US_441.svg.png" decoding="async" width="30" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/US_441.svg/45px-US_441.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/US_441.svg/60px-US_441.svg.png 2x" data-file-width="750" data-file-height="600" /></span></span> <a href="/wiki/U.S._Route_441_in_Tennessee" title="U.S. Route 441 in Tennessee">US 441</a> (Broadway / <a href="/wiki/Tennessee_State_Route_33" title="Tennessee State Route 33">SR 33</a> / <a href="/wiki/Tennessee_State_Route_71" title="Tennessee State Route 71">SR 71</a>) / Old Broadway (<a href="/wiki/Tennessee_State_Route_331" title="Tennessee State Route 331">SR 331</a>)</td><td rowspan="1">Old Broadway signed eastbound only</td></tr> <tr style="text-align:left"><th scope="row" rowspan="1" style="text-align:right">8.23–<br />9.15</th><td rowspan="1" style="text-align:right;background-color:#eaecf0">13.24–<br />14.73</td><td rowspan="1" style="text-align:center">8</td><td colspan="1" rowspan="1">Washington Pike / Mall Road / Millertown Pike</td><td rowspan="1">Partially signed as Mall Rd. South eastbound, Mall Rd. North westbound</td></tr> <tr style="text-align:left"><th scope="row" rowspan="2" style="text-align:right">10.80</th><td rowspan="2" style="text-align:right;background-color:#eaecf0">17.38</td><td rowspan="1" title="Incomplete access" style="text-align:center;background-color:#ffdddd">—</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/3/3d/West_plate_blue.svg/24px-West_plate_blue.svg.png" decoding="async" width="24" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/West_plate_blue.svg/36px-West_plate_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3d/West_plate_blue.svg/48px-West_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/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span></span> <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> west – <a href="/wiki/Nashville,_Tennessee" title="Nashville, Tennessee">Nashville</a></td><td rowspan="1" title="Incomplete access" style="background-color:#ffdddd">Eastbound exit and westbound entrance; I-40 exit 393</td></tr> <tr style="text-align:left"><td rowspan="1" title="Concurrency terminus" style="text-align:center;background-color:#ddffdd">—</td><td colspan="1" rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd"><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/e/e2/I-40.svg/24px-I-40.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/36px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/48px-I-40.svg.png 2x" data-file-width="601" data-file-height="601" /></span></span></span> <a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">I-40</a> east (<a href="/wiki/U.S._Route_25W_in_Tennessee" class="mw-redirect" title="U.S. Route 25W in Tennessee">US 25W</a> / <a href="/wiki/Tennessee_State_Route_9" title="Tennessee State Route 9">SR 9</a> south) – <a href="/wiki/Asheville,_North_Carolina" title="Asheville, North Carolina">Asheville</a></td><td rowspan="1" title="Concurrency terminus" style="background-color:#ddffdd">Eastern terminus; eastern end of US 25W/SR 9 concurrency; I-40 exit 393</td></tr> <tr><td colspan="6" 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: #ddffdd">    </span>  <span class="nowrap"><a href="/wiki/Concurrency_(road)" title="Concurrency (road)">Concurrency</a> terminus</span></li><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></ul></div></td></tr> </tbody></table> <div style="clear:both;" class=""></div> <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_640&action=edit&section=6" 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="logo" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Blank_shield.svg/29px-Blank_shield.svg.png" decoding="async" width="29" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Blank_shield.svg/43px-Blank_shield.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Blank_shield.svg/58px-Blank_shield.svg.png 2x" data-file-width="1485" data-file-height="1440" /></span></span> </span><a href="/wiki/Portal:U.S._Roads" class="mw-redirect" title="Portal:U.S. Roads">U.S. 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_640&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div 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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 map cs1"><a rel="nofollow" class="external text" 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July 2, 1975. p. 1<span class="reference-accessdate">. Retrieved <span class="nowrap">November 23,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Knoxville+News-Sentinel&rft.atitle=I-640+Impact+Data+Pushed%3B+State+Planning+Mid-July+Deadline&rft.pages=1&rft.date=1975-07-02&rft_id=https%3A%2F%2Fwww.newspapers.com%2Fclip%2F89414745%2Fi-640-impact-data-pushed%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+640" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRogers1977" class="citation news cs1">Rogers, Al (August 26, 1977). <a rel="nofollow" class="external text" href="https://www.newspapers.com/clip/89415905/highway-needs-surpass-funds-et/">"Highway Needs Surpass Funds, ET Officials Told"</a>. <i>The Knoxville News-Sentinel</i>. p. 15<span class="reference-accessdate">. Retrieved <span class="nowrap">November 23,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Knoxville+News-Sentinel&rft.atitle=Highway+Needs+Surpass+Funds%2C+ET+Officials+Told&rft.pages=15&rft.date=1977-08-26&rft.aulast=Rogers&rft.aufirst=Al&rft_id=https%3A%2F%2Fwww.newspapers.com%2Fclip%2F89415905%2Fhighway-needs-surpass-funds-et%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+640" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="https://books.google.com/books?id=rjQYOAAACAAJ"><i>Final Environmental Impact Statement, Administrative Action for Interstate 640 from the Existing Interchange with Interstate 40 Near Middlebrook Pike to a Point West of Gap Road in Knoxville, Knox County, Tennessee: Environmental Impact Statement</i></a>. 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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+640" 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-82report-27"><span class="mw-cite-backlink">^ <a href="#cite_ref-82report_27-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-82report_27-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-82report_27-2"><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="CITEREFKnoxville-Knox_County_Metropolitan_Planning_CommissionBarton-Aschman_AssociatesKnoxville_International_Energy_ExpositionK-Trans1982" class="citation report cs1">Knoxville-Knox County Metropolitan Planning Commission; Barton-Aschman Associates; Knoxville International Energy Exposition; K-Trans (December 1982). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=FYwnAQAAMAAJ">1982 World's Fair Transportation System Evaluation</a> (Report). 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Retrieved <span class="nowrap">September 4,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=WATE-TV&rft.atitle=TDOT+to+begin+%2421+million+I-640+reconstruction+project+in+Knoxville&rft.date=2022-07-01&rft.aulast=Gallant&rft.aufirst=Kristen&rft_id=https%3A%2F%2Fwww.wate.com%2Fnews%2Ftdot-to-begin-21-million-i-640-reconstruction-project-in-knoxville%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+640" class="Z3988"></span></span> </li> <li id="cite_note-49"><span class="mw-cite-backlink"><b><a href="#cite_ref-49">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJohnson2023" class="citation news cs1">Johnson, Octavia (June 1, 2023). <a rel="nofollow" class="external text" href="https://www.wate.com/news/traffic/unexpected-concrete-change-impacts-i-640-reconstruction-project/">"<span class="cs1-kern-left"></span>'Unexpected' concrete change impacts I-640 reconstruction project"</a>. <i>WATE-TV</i>. Knoxville<span class="reference-accessdate">. Retrieved <span class="nowrap">January 24,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=WATE-TV&rft.atitle=%E2%80%98Unexpected%E2%80%99+concrete+change+impacts+I-640+reconstruction+project&rft.date=2023-06-01&rft.aulast=Johnson&rft.aufirst=Octavia&rft_id=https%3A%2F%2Fwww.wate.com%2Fnews%2Ftraffic%2Funexpected-concrete-change-impacts-i-640-reconstruction-project%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+640" class="Z3988"></span></span> </li> <li id="cite_note-50"><span class="mw-cite-backlink"><b><a href="#cite_ref-50">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSanning2023" class="citation news cs1">Sanning, Cory (October 26, 2023). <a rel="nofollow" class="external text" href="https://www.wate.com/news/knox-county-news/i-640-reconstruction-project-plagued-with-another-delay/">"I-640 reconstruction project plagued with another delay"</a>. <i>WATE-TV</i>. Knoxville<span class="reference-accessdate">. Retrieved <span class="nowrap">January 24,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=WATE-TV&rft.atitle=I-640+reconstruction+project+plagued+with+another+delay&rft.date=2023-10-26&rft.aulast=Sanning&rft.aufirst=Cory&rft_id=https%3A%2F%2Fwww.wate.com%2Fnews%2Fknox-county-news%2Fi-640-reconstruction-project-plagued-with-another-delay%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+640" class="Z3988"></span></span> </li> <li id="cite_note-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-51">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMueller2023" class="citation news cs1">Mueller, Carolina (December 1, 2023). <a rel="nofollow" class="external text" href="https://www.wvlt.tv/2023/12/02/tdot-says-i-640-rehabilitation-project-battling-setbacks/">"TDOT says I-640 rehabilitation project battling setbacks"</a>. <i><a href="/wiki/WVLT-TV" title="WVLT-TV">WVLT-TV</a></i>. Knoxville<span class="reference-accessdate">. Retrieved <span class="nowrap">January 24,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=WVLT-TV&rft.atitle=TDOT+says+I-640+rehabilitation+project+battling+setbacks&rft.date=2023-12-01&rft.aulast=Mueller&rft.aufirst=Carolina&rft_id=https%3A%2F%2Fwww.wvlt.tv%2F2023%2F12%2F02%2Ftdot-says-i-640-rehabilitation-project-battling-setbacks%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+640" class="Z3988"></span></span> </li> <li id="cite_note-USDOT-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-USDOT_52-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBureau_of_Transportation_Statistics2022" class="citation map cs1">Bureau of Transportation Statistics (June 13, 2022). <a rel="nofollow" class="external text" href="https://data-usdot.opendata.arcgis.com/datasets/usdot::national-highway-planning-network/explore?location=35.843003%2C-86.343051%2C7.30">"National Highway Planning Network"</a> (Map). <i>National Transportation Atlas Database</i>. Washington, D.C.: United States Department of Transportation<span class="reference-accessdate">. Retrieved <span class="nowrap">April 29,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=National+Highway+Planning+Network&rft.btitle=National+Transportation+Atlas+Database&rft.place=Washington%2C+D.C.&rft.pub=United+States+Department+of+Transportation&rft.date=2022-06-13&rft.au=Bureau+of+Transportation+Statistics&rft_id=https%3A%2F%2Fdata-usdot.opendata.arcgis.com%2Fdatasets%2Fusdot%3A%3Anational-highway-planning-network%2Fexplore%3Flocation%3D35.843003%252C-86.343051%252C7.30&rfr_id=info%3Asid%2Fen.wikipedia.org%3AInterstate+640" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Interstate_640&action=edit&section=8" title="Edit section: External links"><span>edit</span></a><span 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style="color:white;">Auxiliary routes</span></a> of <a href="/wiki/Interstate_40" title="Interstate 40"><span style="color:white;">Interstate 40</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_40_in_California" title="Interstate 40 in California">California</a></b> <ul><li><a href="/wiki/Business_routes_of_Interstate_40#California" title="Business routes of Interstate 40">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_40_in_Arizona" title="Interstate 40 in Arizona">Arizona</a></b> <ul><li><a href="/wiki/Business_routes_of_Interstate_40#Arizona" title="Business routes of Interstate 40">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_40_in_New_Mexico" title="Interstate 40 in New Mexico">New Mexico</a></b> <ul><li><a href="/wiki/Business_routes_of_Interstate_40#New_Mexico" title="Business routes of Interstate 40">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_40_in_Texas" title="Interstate 40 in Texas">Texas</a></b> <ul><li><a href="/wiki/Business_routes_of_Interstate_40#Texas" title="Business routes of Interstate 40">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_40_in_Oklahoma" title="Interstate 40 in Oklahoma">Oklahoma</a></b> <ul><li><a href="/wiki/Interstate_240_(Oklahoma)" title="Interstate 240 (Oklahoma)">240</a></li> <li><a href="/wiki/Interstate_44_in_Oklahoma" title="Interstate 44 in Oklahoma">440</a><sup>1</sup></li> <li><a href="/wiki/Business_routes_of_Interstate_40#Oklahoma" title="Business routes of Interstate 40">Business</a></li></ul></li> <li><b><a href="/wiki/Interstate_40_in_Arkansas" title="Interstate 40 in Arkansas">Arkansas</a></b> <ul><li><a href="/wiki/Interstate_440_(Arkansas)" title="Interstate 440 (Arkansas)">440</a></li> <li><a href="/wiki/Interstate_540_(Arkansas)" title="Interstate 540 (Arkansas)">540</a></li></ul></li> <li><b><a href="/wiki/Interstate_40_in_Tennessee" title="Interstate 40 in Tennessee">Tennessee</a></b> <ul><li><a href="/wiki/Pellissippi_Parkway" title="Pellissippi Parkway">140</a></li> <li><a href="/wiki/Interstate_240_(Tennessee)" title="Interstate 240 (Tennessee)">240</a></li> <li><a href="/wiki/Interstate_440_(Tennessee)" title="Interstate 440 (Tennessee)">440</a></li> <li><a class="mw-selflink selflink">640</a></li> <li><a href="/wiki/Interstate_840_(Tennessee)" title="Interstate 840 (Tennessee)">840</a></li></ul></li> <li><b><a href="/wiki/Interstate_40_in_North_Carolina" title="Interstate 40 in North Carolina">North Carolina</a></b> <ul><li><a href="/wiki/Interstate_140_(North_Carolina)" title="Interstate 140 (North Carolina)">140</a></li> <li><a href="/wiki/Interstate_240_(North_Carolina)" title="Interstate 240 (North Carolina)">240</a></li> <li><a href="/wiki/Interstate_440_(North_Carolina)" title="Interstate 440 (North Carolina)">440</a></li> <li><a href="/wiki/Interstate_540_(North_Carolina)" title="Interstate 540 (North Carolina)">540</a></li> <li><a href="/wiki/Interstate_840_(North_Carolina)" title="Interstate 840 (North Carolina)">840</a></li> <li><a href="/wiki/Salem_Parkway_(North_Carolina)" title="Salem Parkway (North Carolina)">Business</a><sup>1</sup></li></ul></li></ul> </div></td><td class="noviewer navbox-image" rowspan="2" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/40px-I-40.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/60px-I-40.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/I-40.svg/80px-I-40.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></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" 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_640&oldid=1245143310">https://en.wikipedia.org/w/index.php?title=Interstate_640&oldid=1245143310</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:Auxiliary_Interstate_Highways" title="Category:Auxiliary Interstate Highways">Auxiliary Interstate Highways</a></li><li><a href="/wiki/Category:Interstate_Highways_in_Tennessee" title="Category:Interstate Highways in Tennessee">Interstate Highways in 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