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The Tennessee Department of Transportation (TDOT) maintains these routes under the "State Highways" title of state law, [1] but designates them as "state routes". The triangle marker design was the only design until November 1983, when Tennessee divided its routes into primary routes and secondary or "arterial" routes with the adoption of a ...
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 (19.76 km) in Memphis. The longest auxiliary ...
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 ]
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 Tennessee leg of I-40 was among 1,047.6 miles (1,685.9 km) of Interstate Highways authorized for the state by the Federal-Aid Highway Act of 1956, commonly known as the Interstate Highway Act. [5] [95] Its numbering was approved by the American Association of State Highway Officials on August 14, 1957. [2]
State Route 1 (SR 1), known as the Memphis to Bristol Highway, is a 538.8-mile-long (867.1 km) mostly-unsigned state highway in the U.S. state of Tennessee. It stretches from the Arkansas state line at Memphis in the southwest corner of the state to Bristol in the northeast part.
Interstate 440 (Tennessee) Interstate 640; Interstate 840 (Tennessee) Interstate 55 in Tennessee; Interstate 155 (Missouri–Tennessee) Interstate 255 (Tennessee) Interstate 65 in Tennessee; Interstate 265 (Tennessee) Interstate 69 in Tennessee; Interstate 169 (Tennessee) Interstate 269; Interstate 75 in Tennessee; Interstate 175 (Kentucky ...
Interstate 26. Connecting directly from I-81, I-26 offers another major corridor for travel between East Tennessee and the Carolinas. Motorists can use this route to travel south from I-81 toward ...