U.S. Route 129 in Tennessee

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U.S. Route 129 marker

U.S. Route 129
Route information
Maintained by TDOT
Length: 53 mi[1] (85 km)
Existed: 1934 – present
Major junctions
South end: US 129 at the NC line at Deals Gap, NC

US 411 / SR 33 in Maryville
US 321 / SR 73 in Maryville
I-140 / SR 162 in Alcoa

US 11 / US 70 / SR 1 in Knoxville
North end: I-40 in Knoxville
Counties: Blount, Monroe, Knox
Highway system
SR 128 SR 129

U.S. Route 129 is a north–south United States highway that runs for 52.8 miles (85.0 km) from the North Carolina state line, near Tapoco, to Knoxville.

Route description[edit]

US-129 enters Tennessee through Deals Gap, where it twists and turns along the Little Tennessee River. This section is known as "The Dragon", popular to driving enthusiasts (of motorcycles and sports cars). At Clover Hill, US-129 joins US-411 to Maryville; from this point US-129 continues on as a 4-lane highway/expressway. Bypassing east around Maryville and Alcoa, it connects with Pellissippi Parkway (I-140) before entering Knoxville, where it ends at I-40. Tennessee State Route 115 (SR-115) is the hidden state route that overlaps the entire route. That is 49 miles (78 km) long. It begins in Blount County and ends in Knox County.

Counties traversed (east to west) in Tennessee[edit]

State Route 115 traverses the counties shown in the table below.

Counties traversed by State Route 115
County miles kilometers
Blount 20.5 33.0
Monroe 1.1 1.7
Blount 20.4 32.8
Knox 6.7 10.7


Junction list[edit]

County Location mi[1] km Destinations Notes
Blount 0.0 0.0 US 129 south – Robbinsville Continuation from North Carolina through Deals Gap; south end of SR-115 overlap
Tallassee 14.3 23.0 Foothills Parkway Southern terminus of Foothills Parkway
Monroe Pumpkin Center 21.4 34.4 SR 72 west – Vonore Eastern terminus of SR-72
Blount 25.0 40.2 SR 336 (Six Mile Road / Brick Mill Road) – Greenback
Clover Hill 32.0 51.5 US 411 south / SR 33 south – Vonore South end of US-411/SR-33 overlap
Maryville 33.8 54.4 SR 335 north (William Blount Drive) Southern terminus of SR-335
36.3 58.4 US 411 north / SR 33 north (Broadway Avenue) North end of US-411/SR-33 concurrency; Interchange; northbound to northbound, southbound to southbound, and southbound US-411/SR-33 to northbound US-129; Access from southbound US-129 to northbound US-411/SR-33 via U-turn at Cooper Street
36.8 59.2 Mall Road Southbound right-in/right-out ramps
37.2 59.9 US 321 / SR 73 (Lamar Alexander Parkway) – Lenoir City, Townsend
37.8 60.8 SR 446 south (Foothills Mall Drive) SR-446 is unsigned; Northern terminus of SR-446
Alcoa 38.2 61.5 West Bessemer Street / Middlesettlements Road Diverging diamond interchange
40.0 64.4 SR 35 north (Hall Road) – Alcoa Interchange; northbound to northbound, southbound to southbound, and northbound US-129 to southbound SR-35
Access from northbound SR-35 to southbound US-129 via U-turn on northbound US-129 at milepost 40.2
40.7 65.5 SR 335 (Hunt Road) Interchange
There is an additional ramp from East Hunt Road westbound to northbound US-129
41.2 66.3 Airport Sign.svg McGhee Tyson Airport Passenger Terminal Interchange
43.1 69.4 SR 429 west (Airbase Road)
43.4 69.8 I-140 west (Pellissippi Parkway) / SR 162 east (Pellissppi Parkway) – Oak Ridge, Eagleton Village Cloverleaf interchange; I-140 Exits 11A-B
45.8 73.7 SR 333 south (Topside Road) – Louisville Northern terminus of SR-333
Knox Knoxville 47.0 75.6 SR 168 west (Governor John Sevier Highway) Interchange; northbound lanes of US-129 grade-separated from SR-168 with an exit and an entrance ramp; southbound US-129 has a left exit and a left entrance - the southbound ramps cross each other at an at-grade intersection controlled by a stop sign on the entrance ramp
50.8 81.8 Cherokee Trail – UT Medical Center Trumpet interchange
UT Cherokee Farm campus site / UTMC Northbound, one right-in/right-out driveway, one entrance ramp; southbound, two right-in/right-out driveways
51.5 82.9 J. E. "Buck" Karnes Bridge over the Tennessee River
51.8 83.4 SR 158 (Neyland Drive) – University of Tennessee Interchange; no access to southbound US-129
51.9 83.5 US 11 / US 70 / SR 1 (Kingston Pike) Interchange
52.8 85.0 I-40 – Nashville, Chattanooga, Lexington, Asheville
SR 62 (Western Avenue / 17th Street)
US-129 ends; north end of SR-115 overlap
Semi-directional T interchange; I-40 Exit 386B
Ramp to SR-62 splits from ramp to I-40 east, providing access via Dale Avenue NW
Access from SR 169 (Middlebrook Pike) / University Avenue to southbound US-129 is provided by a ramp at the intersection of Ailor Avenue and North 21st Street, which merges with the Exit 386B ramp from I-40 west
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b Google (2011-02-28). "US 129" (Map). Google Maps. Google. Retrieved 2011-02-28. 
  • Tennessee Department of Transportation (24 January 2003). "State Highway and Interstate List 2003".

External links[edit]

U.S. Route 129
Previous state:
North Carolina
Tennessee Next state: