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Interstate 40 in Tennessee

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Title: Interstate 40 in Tennessee  
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Interstate 40 in Tennessee

Interstate 40 marker

Interstate 40
Route information
Maintained by TDOT
Length: 455.28 mi (732.70 km)
Major junctions
West end: I‑40 at Arkansas state line
  I-69 / I-240 in Memphis
SR 840 near Burns
I-440 in Nashville
I-65 in Nashville
I-24 in Nashville
SR 840 in Lebanon
I-140 in Knoxville
I-75 / I-640 in Knoxville
I-275 in Knoxville
I-81 in Dandridge
East end: I‑40 at North Carolina state line
Counties: Shelby, Fayette, Haywood, Madison, Henderson, Carroll, Decatur, Benton, Humphreys, Hickman, Dickson, Williamson, Cheatham, Davidson, Wilson, Smith, Putnam, Cumberland, Roane, Loudon, Knox, Sevier, Jefferson, Cocke
Highway system
  • Tennessee State Routes
SR 39 SR 40

Interstate 40 (I-40) traverses the entirety of the state of Tennessee from west to east, running from the Mississippi River at the Arkansas border to the northern base of the Great Smoky Mountains at the North Carolina border. The road connects Tennessee's three largest cities—Memphis, Nashville, and Knoxville—and crosses all of Tennessee's physiographical provinces and Grand Divisions—the Mississippi Embayment and Gulf Coastal Plain in West Tennessee, the Highland Rim and Nashville Basin in Middle Tennessee, and the Cumberland Plateau, Appalachian Valley and Ridge Province, and Blue Ridge Province in East Tennessee. The Tennessee section of I-40 is 455 miles (732 km) long, the longest of any state.


  • Route description 1
    • West Tennessee 1.1
    • Middle Tennessee 1.2
    • East Tennessee 1.3
    • Music Highway 1.4
  • History 2
  • Geological difficulties 3
    • Crab Orchard 3.1
    • Pigeon River Gorge 3.2
    • Sinkholes 3.3
  • SmartFix 40 4
  • Future 5
  • Exit list 6
  • See also 7
  • References 8
    • Footnotes 8.1
    • Works cited 8.2
  • External links 9

Route description

The Hernando de Soto Bridge, where I-40 crosses the Mississippi River into Memphis

West Tennessee

Interstate 40 enters Tennessee from Arkansas via the Hernando de Soto Bridge, which spans the Mississippi River at River Mile 736. The interstate passes across the southern half of Mud Island before crossing the Wolf River into downtown Memphis. At the I-240 interchange, I-40 abrubtly turns north, following the route redesignated due to the Overton Park controversy in the 1970s.

The first 130 miles (210 km) of the interstate in Tennessee are relatively flat as the road traverses the Gulf Coastal Plain. At Mile 78, the road crosses the South Fork Forked Deer River into Jackson, Tennessee, and from Jackson proceeds through the northern half of Natchez Trace State Park. At Mile 135, I-40 crosses the Tennessee River into Middle Tennessee.

Middle Tennessee

Destination sign for Exit 209/209A/209B in Nashville, Tennessee

East of the Tennessee River, the rugged hills of the Western Highland Rim flank I-40 for a considerable stretch before the interstate descends to the Nashville Basin between Miles 186 and 188. In Downtown Nashville, I-40 converges with Interstate 24 and Interstate 65, making Nashville one of just four cities in the United States where six interstate legs converge within the city's boundaries. At Mile 219, the interstate crosses the Stones River just downstream from Percy Priest Dam, and continues for roughly 50 miles (80 km) across mostly open farmland.

Between Miles 263 and 266, I-40 crosses the meandering Caney Fork five times before ascending the Eastern Highland Rim, reaching 1,000 feet (300 m) for the first time in the state near Silver Point. The interstate steadies at the edge of the table-top rim at Mile 272 (near Baxter) and continues across relatively flat farmland in south Cookeville. Between Miles 292 and 297, the interstate ascends the western escarpment of the Cumberland Plateau, reaching 2,000 feet (610 m) southeast of Monterey. At Mile 308, I-40 crosses the Tennessee Divide, where the Cumberland and Tennessee River watersheds meet (in the eastbound lane, the divide is marked by a sign reading "Entering Emory River watershed"; its westbound lane counterpart notes the beginning of the Caney Fork watershed).

East Tennessee

I-40 descending Walden Ridge, Miles 341-346

I-40 remains relatively steady as it continues across the Cumberland Plateau and passes through the northern part of Crossville. East of Crossville, the Crab Orchard Mountains (the southern fringe of the Cumberland Mountains) come into view as the road descends several hundred feet. At Mile 329, the interstate enters Crab Orchard Gap and proceeds through a narrow valley once prone to rockslides. At Mile 340, the interstate enters the Eastern Time Zone, and shortly thereafter the road begins its descent of the Cumberland Plateau into the Tennessee Valley. I-40 hugs the slopes of the plateau's Walden Ridge escarpment for several miles— with dramatic views of the Tennessee Valley below to the south— before reaching the base of the plateau at Mile 347 between Harriman and Rockwood.

I-40 near Mile 441, with Mount Cammerer rising in the distance

As it enters the Ridge-and-Valley province (of which the Tennessee Valley is a part), I-40 crosses a series of ridges and valleys characteristic of the region's topography. At Mile 351, the road crosses the Clinch River, with the Kingston Fossil Plant and its 1,000 ft (300 m) twin smokestacks dominating the view to the north. The road widens to four lanes at Mile 368 as I-40 merges with Interstate 75. Knoxville's skyline comes into view at Mile 387 before the road passes through downtown Knoxville.

Beyond Knoxville, the interstate crosses the Holston and French Broad rivers (the French Broad is much wider due to its impoundment by Douglas Dam a few miles downstream) and continues for several miles along the northern base of English Mountain. At Mile 440, the road turns south through the gap between English Mountain and Stone Mountain, revealing a dramatic view of the 4,928-foot (1,502 m) Mount Cammerer at the northeastern end of the Great Smokies range, and the road proceeds into the Pigeon River Gorge, closely following the north bank of the river. The massive mesh nets on the cliffslopes are indicative of the rockslide prevention measures along this stretch of I-40.

Music Highway

The term Music Highway refers to a section of I-40 between Memphis and Nashville. I-40 was designated as such by an act of the Tennessee legislature in 1997 "from the eastern boundary of Davidson County to the Mississippi River in Shelby County," a distance of about 222 miles. Interstate 40 is designated as such because of the rich music history in Memphis, Nashville, and the areas in between them. Memphis is known as "The Home of the Blues and the Birthplace of Rock and Roll." Nashville is known as "Music City USA" for its influence on numerous types of music, especially country. Several cities and towns between the two, such as Jackson, Brownsville, Nutbush (Near Ripley), Waverly and others were birthplaces or homes of numerous singers and songwriters. Signs that display the words "Music Highway" along with music notes are erected in both directions along Interstate 40, especially at the borders of Shelby County and Davidson County (Nashville).[1]


Interstate 75 North running concurrent with Interstate 40 East in Knoxville, Tennessee in 2009.

The Tennessee leg of Interstate 40 was part of the original 1,047 miles (1,685 km) of interstate highways authorized for Tennessee by the Federal Aid Highway Act of 1956. The first section of Interstate 40— Nonconnah Creek to Hindman Ferry Road in Shelby County— was contracted in 1956, and within a year contracts had been awarded for sections in Davidson, Knox, Roane, Haywood, Madison, Jefferson, and Cocke counties. By 1958, sections in Loudon, Smith, Putnam, Cumberland, Humphreys, Hickman, and Sevier counties had been contracted. Most of Interstate 40 had been completed by the late 1960s.[2]

In Memphis, I-40 was originally slated to pass through the city's Overton Park, a 342-acre (138 ha) wooded refuge that had become an important stopover for migratory birds. Fearing that the interstate's construction would upset the park's fragile ecological balance, environmentalists waged a 12-year legal battle to prevent highway construction in the park, culminating in the United States Supreme Court decision, Citizens to Preserve Overton Park v. Volpe. The Supreme Court remanded the case to the district court for further review, and the district ruled that the highway commission had not adequately explored alternative routes. In 1981, the highway commission abandoned plans to route I-40 through Overton Park, and instead redesignated the northern portion of Interstate 240 as Interstate 40.[3] For over 20 years, I-40 signage existed on the dead-end route toward Overton Park. Several miles of interstate were actually built within the Interstate 240 loop; this portion of highway still exists and is in regular use as Sam Cooper Boulevard, reaching the eastern end of Chickasaw Country Club.

Geological difficulties

The rugged terrain of East Tennessee presented numerous challenges for I-40 construction crews and engineers. Crab Orchard (between Miles 331 and 333). In response, the Tennessee Department of Transportation (TDOT) flattened the cutslopes along this stretch of interstate and moved the road 60 feet (18 m) away from the problematic cliffside.[4]

Twenty rockslides occurred along the Walden Ridge section (Miles 341-346) of the eastern plateau in 1968 alone, prompting various remedial measures throughout the 1970s, including the employment of rock buttresses, gabion walls, and horizontal drains. A minor rockslide shut down the right lane of westbound I-40 at mile marker 343 on May 6, 2013.[5]

Pigeon River Gorge

An area very prone to rockslides is the Pigeon River Gorge, especially in the vicinity of the Tennessee-North Carolina state line. Throughout the 1970s, this stretch of I-40 was repeatedly shut down by rockslides, sometimes for several weeks at a time. In the late 1970s and early 1980s, TDOT dug over 24,000 feet (7,300 m) of horizontal drains, blasted out large volumes of unstable rocks, and installed massive mesh catchment fences.[4] Nevertheless, rockslides in 1985 and 1997 again forced the closure of I-40 in the Pigeon River Gorge for several weeks.[6] Additional stabilization measures were implemented, including the blasting of loose rock, the installation of rock bolts, and the construction of a better drainage system.[7] In spite of these measures, another massive rock slide occurred in the Pigeon River Gorge on October 26, 2009, blocking all lanes just across the border at North Carolina Mile Marker 3. The section was closed to traffic in both directions until April 25, 2010.[8] On January 31, 2012, the westbound lanes of I-40 were closed because of a rockslide near the North Carolina border. Traffic was detoured along I-26 and I-81 and reopened a few months later.[9]


Sinkholes are a consistent issue along highways in East Tennessee. One particularly problematic stretch is a section of I-40 between Miles 365 and 367 in Loudon County, which is underlain by cavernous rock strata. In the 1970s and 1980s, TDOT employed numerous stabilization measures in this area, including backfilling existing sinkholes with limestone, collapsing potential sinkholes, and paving roadside ditches to prevent surface water from seeping into the volatile soil.[4]

SmartFix 40

Until June 12, 2009,[10] a section of I-40 through downtown Knoxville between James White Parkway and Hall of Fame Drive was completely closed to all traffic for about 18 months for a massive reconstruction. Through traffic was required to use Interstate 640 or to use surface streets. The four-lane section, which was quite substandard, congested, and accident-prone, was widened to six lanes to improve traffic flow and safety. Several interchanges along that stretch were also reconstructed.[11]


The Tennessee Department of Transportation officially announced the I-40/I-81 Corridor Feasibility Study on July 27, 2007.[12] The intent of this study is to assess deficiencies along I-40 & I-81 in Tennessee and to develop upgrade proposals for the existing corridor.[13] This study was completed in 2008.

On January 18, 2008, the Federal Highway Administration authorized the states of Mississippi and Tennessee to extend I-69 from the I-40/TN 300 interchange in north Memphis to the I-55/I-69 interchange in Hernando, Mississippi; however, Tennessee has not yet signed the extension of the route, although Mississippi has already done so.[14]

Exit list

County Location Mile km Exit Destinations Notes
Mississippi River Hernando de Soto Bridge
I‑40 continues into Arkansas
Shelby Memphis 1 Riverside Drive, Front Street – Downtown Memphis Western end of Music Highway designation
1A 2nd Street, 3rd Street (SR 3/SR 14) Westbound exit and eastbound entrance
1B US 51 (Danny Thomas Boulevard, SR 1) Signed as exits 1C (south) and 1D (north) westbound
1E I-240 south (I-69 south) / Madison Avenue – Jackson Western end of I-69 overlap
1F SR 14 (Jackson Avenue) Westbound exit and eastbound entrance
2 Chelsea Avenue, Smith Avenue
2A To US 51 (SR 300 to SR 3) – Millington Future continuation of I-69 north
3 Watkins Street
5 Hollywood Street
6 Warford Street
8 SR 14 (Jackson Avenue, Austin Peay Highway) Signed as exits 8A (north) and 8B (south) westbound
10 SR 204 (Covington Pike)
12A US 64 / US 70 / US 79 (Summer Avenue, SR 1) / White Station Road
12B Sam Cooper Boulevard
12C I-240 west – Jackson
12 Sycamore View Road
Bartlett 14 Whitten Road
15 Appling Road Signed as exits 15A (south) and 15B (north) eastbound
16 SR 177 – Germantown Signed as exits 16A (south) and 16B (north) westbound
18 US 64 (SR 15) – Somerville, Bolivar, Bartlett
Lakeland 20 Canada Road-Lakeland
Arlington 24 I-269 / SR 385 – Millington, Collierville Signed as exits 24A (west) and 24B (east)
25 SR 205 – Arlington, Collierville
Fayette   35 SR 59 – Covington, Somerville
  42 SR 222 – Stanton, Somerville
Haywood   47 SR 179 (Stanton-Dancyville Road)
Brownsville 56 SR 76 – Brownsville, Somerville
60 SR 19 (Mercer Road)
  66 US 70 (SR 1) – Brownsville, Ripley
Madison   68 SR 138 (Providence Road)
  74 Lower Brownsville Road
  76 SR 223 south – McKellar-Sipes Regional Airport
Jackson 79 US 412 (SR 20) to I-155 / Vann Drive – Jackson, Alamo, Dyersburg
US 45 Byp. (SR 186) – Jackson, Humboldt
Signed as exits 80A (south) and 80B (north)
82 US 45 (SR 5) – Jackson, Milan Signed as exits 82A (south) and 82B (north)
83 Campbell Street
85 Christmasville Road, Dr. F.E. Wright Drive – Jackson
87 US 70 (SR 1) / US 412 east (SR 20) – Huntingdon, McKenzie, Jackson
  93 SR 152 (Law Road) – Lexington
Henderson   101 SR 104
  108 SR 22 – Parkers Crossroads, Lexington, Huntingdon
HendersonCarroll county line   116 SR 114 – Natchez Trace State Park
Decatur   126 US 641 / SR 69 – Camden, Paris, Parsons
Benton   133 SR 191 (Birdsong Road)
Tennessee River Bridge over the Tennessee River
Humphreys   137 Cuba Landing
  143 SR 13 – Linden, Waverly
Hickman   148 SR 50 to SR 229 – Centerville
  152 SR 230 – Bucksnort
Dickson   163 SR 48 – Centerville, Dickson
Dickson 172 SR 46 – Centerville, Dickson
  176 SR 840 east
Williamson   182 SR 96 – Franklin, Fairview, Dickson
Cheatham   188 SR 249 – Kingston Springs, Ashland City
Davidson Nashville 192 McCrory Lane – Pegram
196 US 70S (SR 1) – Bellevue, Newsom Station
199 SR 251 (Old Hickory Boulevard)
201 US 70 (Charlotte Pike, SR 24) Signed as exits 201A (east) and 201B (west) eastbound
204 SR 155 (Briley Parkway, White Bridge Road) / Robertson Avenue Signed as exits 204A (north) and 204B (south) westbound
205 51st Avenue, 46th Avenue – West Nashville
206 I-440 east – Knoxville
207 28th Avenue Westbound exit and eastbound entrance
207 Jefferson Street Eastbound exit and westbound entrance
208 I-65 north to I-24 west – Louisville, Clarksville Western end of I-65 overlap; signed as exit 208B eastbound
209 US 70 (Charlotte Avenue, SR 24) Eastbound exit and westbound entrance
209A Church Street, Charlotte Avenue Signed as exit 209 westbound
209B US 70 / US 70S / US 431 (Broadway, SR 1, SR 24) / Demonbreun Street Signed as exit 209A westbound
209B Demonbreun Street Westbound exit and eastbound entrance
210 I-65 south – Huntsville Eastern end of I-65 overlap; signed as exit 210B westbound
210C US 31A south / US 41A south (4th Avenue, SR 11 south) / 2nd Avenue
211B I-24 west to I-65 north – Clarksville, Louisville Western end of I-24 overlap, formerly the point where I-24, I-40, and I-65 met
212 Hermitage Avenue (US 70, SR 24) Westbound exit and eastbound entrance
212 Fesslers Lane Eastbound exit and westbound entrance
213A I-24 east / I-440 west – Chattanooga, Memphis Eastern end of I-24 overlap
213 To US 41 (Murfreesboro Road, US 70S, SR 1) / Spence Lane Eastbound exit is via 213A
215 SR 155 (Briley Parkway) – Opryland Signed as exits 215A (south) and 215B (north)
216A Nashville International Airport Eastbound exit and westbound entrance
216B SR 255 south (Donelson Pike) – Nashville International Airport, Air Freight
216C SR 255 north (Donelson Pike)
219 Stewarts Ferry Pike – J. Percy Priest Dam
221A SR 45 north (Old Hickory Boulevard) – The Hermitage Eastern end of Music Highway designation
221B Old Hickory Boulevard
Wilson   226 SR 171 – Mount Juliet Signed as exits 226A (south), 226B (north) eastbound and 226C (Belinda Parkway / Providence Way
  229 Beckwith Road Signed as exits 229A (south) and 229B (north) eastbound
Lebanon 232 SR 109 – Gallatin Signed as exits 232A (south) and 232B (north) eastbound
235 SR 840 west – Murfreesboro
236 South Hartmann Drive
238 US 231 (SR 10) – Lebanon, Hartsville
239 US 70 (SR 26) – Watertown, Lebanon Signed as exits 239A (east) and 239B (west) eastbound
  245 Linwood Road
Smith   254 SR 141 – Alexandria
  258 SR 53 – Carthage, Gordonsville
Putnam   268 SR 96 (Buffalo Valley Road) – Center Hill Dam
  273 SR 56 south / SR 141 west – Smithville, McMinnville Western end of SR 56 overlap
  276 Old Baxter Road
Baxter 280 SR 56 north – Baxter, Gainesboro Eastern end of SR 56 overlap
Cookeville 286 SR 135 (South Willow Avenue) – Cookeville
287 SR 136 – Cookeville, Sparta
288 SR 111 – Livingston, Sparta
290 US 70N – Cookeville
Monterey 300 US 70N (SR 24) / SR 84 – Monterey, Livingston
301 US 70N (SR 24) to SR 84 – Monterey, Jamestown, Livingston
Cumberland   311 Plateau Road
Crossville 317 US 127 (SR 28) – Crossville, Jamestown
320 SR 298 (Genesis Road) – Crossville
322 SR 101 (Peavine Road) – Crossville, Fairfield Glade
  329 To US 70 (SR 1) – Crab Orchard
  338 SR 299 south (Westel Road) – Rockwood Western end of SR 299 overlap
Roane Rockwood 340 SR 299 north (Airport Road) Eastern end of SR 299 overlap
Harriman 347 US 27 (South Roane Street) – Harriman, Rockwood
350 SR 29 – Harriman, Midtown
Clinch River Bridge over the Clinch River
Kingston 352 SR 58 south – Kingston Western end of SR 58 overlap
355 Lawnville Road
356 SR 58 north (Gallaher Road) – Oak Ridge Eastern end of SR 58 overlap; signed as exits 356A (north) and 356B (south) westbound
  360 Buttermilk Road
  362 Industrial Park Road – Roane Regional Business and Technology Park Opened in 2008.[15]
Loudon   364 US 321 (SR 73) / SR 95 – Lenoir City, Oak Ridge
  368 I-75 south – Chattanooga Western end of I-75 overlap
Knox   369 Watt Road
Farragut 373 Campbell Station Road – Farragut
Knoxville 374 SR 131 (Lovell Road)
376 I-140 east / SR 162 north – Oak Ridge, Maryville Signed as exits 376A (north) and 376B (east)
378 Cedar Bluff Road Signed as exits 378A (south) and 378B (north) westbound
379 Bridgewater Road, Walker Springs Road
379A Gallaher View Road Eastbound exit is via exit 379
380 US 11 (SR 1) / US 70 – West Hills
383 SR 332 (Northshore Drive) / Papermill Drive, Weisgarber Road Westbound slip ramp has entrances and exits to/from Papermill Drive and Weisgarber Road
385 I-75 north / I-640 east – Lexington Eastern end of I-75 overlap
386A University Avenue, Middlebrook Pike (SR 169) Westbound exit is part of exit 386B
386B US 129 (Alcoa Highway, SR 115) – Alcoa, Maryville, McGhee Tyson Airport, Great Smoky Mountains National Park
387 SR 62 (Western Avenue) / 17th Street
387A I-275 north – Lexington
388 US 441 south (Henley Street, SR 33 south) – Downtown Knoxville No westbound exit
388A SR 158 west to US 441 south (SR 33 south) / James White Parkway – Downtown Knoxville, University of Tennessee Western end of SR 158 overlap (unsigned)
389 To US 441 north (Hall of Fame Drive, SR 158 east to SR 33 north) / Broadway Eastern end of SR 158 overlap (unsigned)
390 Cherry Street
392 US 11W (Rutledge Pike, SR 1) / Knoxville Zoo Drive Signed as exits 392A (south) and 392B (north)
393 I-640 west / US 25W north (SR 9 north) to I-75 north – Lexington Western end of US 25W/SR 9 overlap
394 US 11E / US 25W south / US 70 (Asheville Highway, SR 9 south, SR 168) Eastern end of US 25W/SR 9 overlap
Holston River Bridge over the Holston River
Strawberry Plains 398 Strawberry Plains Pike – Strawberry Plains
  402 Midway Road
Sevier Sevierville 407 Pigeon Forge Western end of SR 66 overlap
Jefferson   412 Deep Springs Road – Douglas Dam
Dandridge 415 US 25W (SR 9, SR 66 north) / US 70 – Dandridge Eastern end of SR 66 overlap
417 SR 92 – Dandridge, Jefferson City
  421 I-81 north – Bristol
  424 SR 113 to US 25W / US 70 – Dandridge, White Pine
French Broad River Bridge over the French Broad River
Cocke Newport 432A US 411 south / US 25W north / US 70 west / SR 9 north – Sevierville
432B US 25W south (SR 9 south) / US 70 east – Newport
435 US 321 / SR 32 – Newport, Gatlinburg
  440 SR 73 to US 321 (Wilton Springs Road) – Gatlinburg, Cosby
  443 Foothills Parkway – Gatlinburg, Cosby, Great Smoky Mountains National Park
  447 Hartford Road – Hartford
  451 Waterville Road
  I‑40 east – Asheville Continuation into North Carolina
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also



  1. ^ "Public Chapter 124 Senate Bill No. 122". State of Tennessee. Retrieved September 26, 2011. 
  2. ^ Moore 1994, pp. 108–109
  3. ^ Moore 1994, pp. 112–113
  4. ^ a b c Moore 1994, pp. 120–131
  5. ^ Jacobs, Don (May 6, 2013). "Rock Slide Closes Land of I-40 in Roane County". Knoxville News Sentinel. 
  6. ^ "I-40 Closed in Both Directions: Another Rock Slide". WRAL-TV. July 1, 1997. Retrieved October 23, 2009. 
  7. ^ Goumans, Corry & Wallace, Dwayne (1999). "I-40 Rockslide Causes Mountains of Problems" (PDF). Complete Abstracts of the ISEE Proceedings 1G: 167. Archived from the original on September 2, 2003. Retrieved October 23, 2009. 
  8. ^ Hickman, Hayes. "Section of I-40 Closed Since Oct. Rockslide Reopens". Knoxville News Sentinel. Retrieved 2011-09-19. 
  9. ^ "Tennessee Rock Slide Closes I-40 near Asheville". WRAL-TV. Retrieved 2012-02-04. 
  10. ^ "Interstate 40 Reopens In Knoxville 18 days ahead of schedule"
  11. ^ "SmartFix - I-40/James White Parkway/Hall of Fame Drive". Tennessee Department of Transportation. 
  12. ^ "TDOT Performing Corridor Study Along I-40 and I-81: Study to Identify Improvements for 550-Mile Interstate Corridor" (Press release). Tennessee Department of Transportation. July 27, 2007. Archived from the original on December 13, 2013. 
  13. ^ "I-40/I-81 Corridor Feasibility Study Project". Tennessee Department of Transportation. 
  14. ^ J. Richard (January 18, 2008). "Letter to Paul D. Degges" (PDF). Federal Highway Administration. Retrieved May 28, 2008. 
  15. ^ Fowler, Bob (October 9, 2008). "Roane Celebrates Access to Industrial Park via I-40". Knoxville News Sentinel. 

Works cited

  • Moore, Harry (1994). A Geologic Trip Across Tennessee by Interstate 40. Knoxville: University of Tennessee Press. 

External links

  • Media related to at Wikimedia Commons
Interstate 40
Previous state:
Tennessee Next state:
North Carolina
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