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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 Tennessee Department of Highways and Public Works was established by the Tennessee General Assembly in 1915 and tasked with constructing, maintaining, and improving roads throughout the state. That year, the 538-mile (866 km) Memphis to Bristol Highway, later State Route 1 , was designated as the first state highway in Tennessee.
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 ...
Many of the routes are hidden in that they are overlaid on U.S. Routes and not signed. The mile markers throughout Tennessee, however, show the state route number for these hidden routes. The Tennessee Department of Transportation (TDOT) maintains these routes under the "State Highways" title of state law, [1] but
U.S. Route 70 (US 70) enters the state of Tennessee from Arkansas via the Memphis & Arkansas Bridge in Memphis, and runs west to east across 21 counties in all three Grand Divisions of Tennessee, with a total length of 478.48 miles (770.04 km), to end at the North Carolina state line in eastern Cocke County.
The longest interstate highway in Tennessee is Interstate 40, at a length of 454.81 miles (731.95 km). The segment of I-40 in Tennessee is also the longest segment of all of the states the route traverses. The shortest mainline interstate highway in Tennessee is I-55, at a length of 12.28 miles (19.
Map of early federal--"interstate" highway system in Tennessee, circa 1927. Prior to 1915, the state had no central authority governing construction and maintenance of roads. The governor, legislature, other road associations, and local governments all attempted to serve these tasks, leading to a lack of planning and management.
SR 13 in rural northern Wayne County: US 412 / SR 20 / SR 99 in Holenwald; I-40 in southern Dickson County; US 70 in Dickson; US 41A Byp. in Clarksville; US 41A / US 79 in Clarksville; I-24 north of Clarksville; North end: KY 104 at the Tennessee-Kentucky State Line north of Clarksville: Location; Country: United States: State: Tennessee: Counties