Interstate 75 in Tennessee

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Interstate 75 marker

Interstate 75
Route information
Maintained by TDOT
Length: 161.86 mi[2] (260.49 km)
Existed: 1963[1] – present
Major junctions
South end: I‑75 at Georgia state line
  I-24 in Chattanooga
I-40 in Knoxville
I-640 in Knoxville
I-275 in Knoxville
North end: I-75 at Kentucky state line
Counties: Hamilton, Bradley, McMinn, Monroe, Loudon, Knox, Anderson, Campbell
Highway system
SR 74 SR 75

In the U.S. state of Tennessee, Interstate 75 (I-75) runs from Chattanooga to Jellico by way of Knoxville. Interstate 75 enters the East Tennessee region following the Tennessee Valley from Georgia, all the way through Knoxville to near Rocky Top, then climbs into the Cumberland Mountains before crossing over into Kentucky at Jellico.

Route description[edit]

Interstate 75 enters Tennessee at the southern edge of Chattanooga. It then angles northeasterly past Cleveland, Athens, and Sweetwater. On the far western edge of Knoxville, it becomes concurrent with Interstate 40, and the two routes continue northeasterly through western Knoxville before Interstate 75 departs, bypassing downtown Knoxville before turning to the north again and continuing through largely rural mountain terrain into Kentucky.


I-75 north, along its concurrency with I-40 east in Knoxville

Interstate 75 originally continued into downtown Knoxville then turned to the north at Malfunction Junction, following what is now signed as Interstate 275. When the western section of Interstate 640 was completed in 1982, Interstate 75 was moved to overlap the auxiliary route to divert through traffic away from downtown in preparation for the 1982 World's Fair. This concurrency is somewhat unusual in that the exit numbers and mile markers follow the auxiliary route I-640 instead of Interstate 75 mileage.

On December 11, 1990, a 99 vehicle accident occurred in dense fog outside Calhoun that resulted in 12 deaths and 56 injuries.[3] The accident was later profiled on the show Forensic Files.

In March 2005, the southbound lanes of Interstate 75 were shut down between mile marker 141 to 143 in Campbell County due to a rockslide below the roadway that caused the pavement to partially collapse.[4]

On May 1, 2008 I-75 Northbound traffic was re-routed back along its original path in downtown Knoxville along Interstate 275 as part of SmartFix 40, a major construction project that includes closing a portion of I-40. Traffic was re-routed along I-275 as the ramp from I-640 Eastbound/I-75 Northbound to I-75 Northbound is only one lane which causes traffic delays at peak times.

In March 2012, the southbound lanes of the interstate were again closed to traffic between mile markers 141 and 143 in Campbell County, Tennessee due to a slide beneath the roadway.[5] This was later followed by a second slide in early May 2012[6] that caused a portion of the roadway to collapse and forced the detour lanes to be closed.

In February 2016, a rock slide closed I-75 near Caryville, Tennessee.

Exit list[edit]

County Location mi km Exit Destinations Notes
Hamilton East Ridge 0.00 0.00 I‑75 south – Atlanta Georgia state line
0.52 0.84 1 US 41 (US-76, SR-8) – East Ridge Signed as exits 1A (south) and 1B (north) northbound
Chattanooga 1.3 2.1 2 I-24 west to I-59 south – Chattanooga, Nashville, Birmingham South end of US-74 overlap, left exit northbound; I-24 exits 185A-B; directional T interchange.
3.4 5.5 3 SR 320 (East Brainerd Road) Signed as exits 3A (east) and 3B (west) northbound
4 6.4 4 SR 153 north – Chattanooga Airport, Chickamauga Dam
4.2 6.8 4A Hamilton Place Boulevard Northbound exit and southbound entrance; access to Hamilton Place Mall
5.5 8.9 5 Shallowford Road
Standifer Gap Road Removed c. 1970
7.7 12.4 7 US 11 south / US 64 west (Old Lee Highway, SR-2 west) / SR 317 west (Bonny Oaks Drive) – Summit, Collegedale South end of US-11/US-64/SR-2 overlap; signed as exits 7A (SR-317 east) and 7B (SR-317 west) northbound
9.1 14.6 9 SR 317 (Apison Pike) – Ooltewah, Collegedale / Volkswagen Drive Serves Volkswagen Chattanooga Assembly Plant
11.7 18.8 11 US 11 north / US 64 east (SR-2 east) – Ooltewah, Collegedale North end of US-11/US-64/SR-2 overlap
Bradley Cleveland 20.4 32.8 20
US 64 Byp. east (US-74 east, SR-311) – Cleveland
North end of US-74 overlap
25 40 25 SR 60 – Dayton, Cleveland, Lee University
26.7 43.0 27 Sgt. Paul B. Huff Parkway - Cleveland
32.8 52.8 33 SR 308 – Charleston
McMinn 35.8 57.6 36 SR 163 – Calhoun
42.1 67.8 42 SR 39 (Riceville Road) – Riceville
Athens 48.7 78.4 49 SR 30 – Decatur, Athens
52.1 83.8 52 SR 305 (Mount Verd Road) – Athens
56 90 56 SR 309 – Niota
Monroe Sweetwater 60.6 97.5 60 SR 68 – Spring City, Sweetwater
62.7 100.9 62 SR 322 (Oakland Road) – Sweetwater
Loudon 68.7 110.6 68 SR 323 – Philadelphia
Loudon 72.1 116.0 72 SR 72 – Loudon
76.7 123.4 76 SR 324 (Sugar Limb Road)
Lenoir City 81.4 131.0 81 US 321 (SR-73) to SR 95 – Oak Ridge, Lenoir City, Maryville
84.3 135.7 84B I-40 west – Nashville South end of I-40 overlap; no exit number southbound; concurrency uses I-40 exit numbers; I-40 west exit 368
Knox Farragut 369 Watt Road
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) on collector/distributor lanes; I-140 west exits 1C-D
378 Cedar Bluff Road Signed as exits 378A (south) and 378B (north) southbound; southbound exit 378B also serves Executive Park Drive
379 Bridgewater Road, Walker Springs Road, Gallaher View Road Signed as exits 379 (Bridgewater Road, Walker Springs Road) and 379A (Gallaher View Road) southbound
380 US 11 / US 70 (Kingston Pike, SR-1) – West Hills, West Town Mall Also access to Montvue Road
383 SR 332 (Northshore Drive, Papermill Road) / Weisgarber Road Complete access to Northshore Drive and Papermill Road; southbound exit and entrance only for Weisgarber Road; Northshore Drive signed northbound only
385 I-40 east / I-640 west – Knoxville North end of I-40 overlap; south end of I-640 overlap; concurrency uses I-640 exit numbers
1 SR 62 (Western Avenue) Northbound split into separate unnumbered exits for eastbound and westbound exits on collector/distributor lanes
3B US 25W north (SR-9 north) / Gap Road – Clinton Northbound exit only
3 I-640 east (US-25W south, SR-9 south) – Asheville North end of I-640 overlap; no exit number northbound; no exits from I-75 to US-25W northbound
3 I-275 south – Knoxville No exit number southbound
108 Merchants Drive Southbound access to northbound US-25W
110 Callahan Drive
112 SR 131 (Emory Road) – Powell
117 SR 170 (Raccoon Valley Road)
Anderson 122 SR 61 – Clinton, Norris
Rocky Top 128 US 441 (SR-71) – Rocky Top
129 US 25W south (SR-9 south, SR-116) – Rocky Top South end of US-25W/SR-9 overlap
Campbell Caryville 134 US 25W north / SR 63 east (SR-9 north) – Caryville, Jacksboro, LaFollette North end of US-25W/SR-9 overlap; South end of SR-63 overlap
141 SR 63 west – Huntsville, Oneida North end of SR-63 overlap
144 Stinking Creek Road
156 Rarity Mountain Road
Jellico 160 US 25W (SR-9) – Jellico
161.86 260.49 I-75 north – Lexington Kentucky state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


Route map: Google

KML is from Wikidata

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