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The major duties and responsibilities of TDOT are to: plan, build, and maintain the state-owned highway and Interstate system of over 14,000 miles (23,000 km);; administer funding and provide technical assistance in the planning and construction of state and federal aid road programs for cities and counties;
The State Route System of Tennessee is maintained and developed by the Tennessee Department of Transportation (TDOT) in the U.S. state of Tennessee.Currently the state has 14,150 miles (22,770 km) of state-maintained roadways, including 1,233 miles (1,984 km) of Interstate Highways and 13,077 miles (21,045 km) of State Highways. [2]
Counties of Tennessee Location State of Tennessee Number 95 Populations 5,128 (Pickett) - 910,042 (Shelby) Areas 114 sq mi (300 km 2) (Trousdale) -755 sq mi (1,960 km 2) (Shelby) Government County government Subdivisions cities, towns, unincorporated communities, census designated place There are 95 counties in the U.S. State of Tennessee. As of 2023, Shelby County was both Tennessee's most ...
County maps published by TDOT do not show the recent realignment of this highway, [6] however, the Official Transportation Map [4] and signs erected in the field reflect the change as stated above. For several years, SR 211 was detoured off its alignment using SR 105 , US 51, and SR 183 to avoid the closed section of roadway roughly from the ...
NC 1397 at the North Carolina state line in Cocke County: US 25E at the Kentucky state line at Cumberland Gap Tunnel: 1923: current SR 33: 174.42: 280.70 US 411/SR 61 at the Georgia state line in Polk County: SR 696 at the Virginia state line in Hancock County: 1923: current SR 34: 154.09: 247.98 US 11E/US 25W/US 70/SR 9 in Knox County
US 19W (North Carolina state line) in Unicoi County: US 11E / US 19 / US 19E – Bluff City: 1930: current US 19E: 30.98: 49.86 US 19E (North Carolina state line) near Roan Mountain: US 11E / US 19 / US 19W – Bluff City: 1930: current US 23: 57.38: 92.34 I-26 / US 23 (North Carolina state line) in Unicoi County
I-75 enters the East Tennessee region from Georgia, following the Tennessee Valley all the way through Knoxville to near Rocky Top, then climbs into the Cumberland Mountains before crossing over into Kentucky at Jellico. Of the six states that I-75 traverses, the segment in Tennessee is the shortest, at 161.86 miles (260.49 km).
The western terminus of SR 79 is located at the Mississippi River (Island 15) in the extreme southwestern portion of Lake County, Tennessee and travels across low-lying areas that are subject to flooding from the Mississippi River. SR 79 from its western terminus (mile 0.00) to mile 6.66 has been repeatedly damaged by seasonal flooding and as a ...