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The U.S. Highways in Tennessee are the segments of the United States Numbered Highway System that are maintained by the Tennessee Department of Transportation (TDOT) in the state of Tennessee. All of these highways in Tennessee have a state highway designation routed concurrently along them, though the state highway is hidden and only signed ...
The shortest mainline Interstate Highway in Tennessee is I-55, at a length of 12.28 miles (19.76 km) in Memphis. The longest auxiliary Interstate Highway in Tennessee is I-840, an outer southern bypass around Nashville, at a length of 77.28 miles (124.37 km).
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]
United States Numbered Highways are the components of a national system of highways administered by the American Association of State Highway and Transportation Officials (AASHTO), a nonprofit, nonpartisan association, [3] and the various state departments of transportation.
Map of the United States with Tennessee highlighted These directional signs in Crossville, photographed in 1937 by Ben Shahn as part of a New Deal program, helped travelers find their way to other Tennessee cities and towns. Tennessee is a state located in the Southern United States. There are 346 municipalities in the state of Tennessee.
In 1918, Wisconsin became the first state to number its highways in the field followed by Michigan the following year. [1] In 1926 the American Association of State Highway Officials (AASHO) established and numbered interstate routes (United States Numbered Highways), selecting the best roads in each state that could be connected to provide a national network of federal highways.
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 ...
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;