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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 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 functional classification system, creating a primary marker and making the triangle marker the secondary marker; primary marker signs were posted in 1984.
The original Tennessee state route shield from 1923 to 1983. Governor Austin Peay, who was elected in 1922, made road-building a central issue of his campaign. At the time, Tennessee was known as a "detour state", with many of its roads in poor condition compared to those of neighboring states. [6]
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 shortest interstate highway in Tennessee is the 1.97 miles (3.17 km) I-124 in ...
U.S. Route 23 (US 23) is a part of the United States Numbered Highway System that travels from Jacksonville, Florida, to Mackinaw City, Michigan.In the U.S. state of Tennessee, the highway travels 57.48 miles (92.51 km) in the northeastern part of the state from the North Carolina state line at Sam's Gap in the Bald Mountains to the Virginia state line in Kingsport.
Built by the Tennessee Department of Transportation (TDOT), it is also designated as Tennessee National Guard Parkway. [3] At 77.28 miles (124.37 km) long, it is the tenth-longest auxiliary Interstate Highway in the nation. [4] The route serves the cities of Lebanon, Murfreesboro, Franklin, and Dickson, all suburbs of Nashville. [5] [6]
The highway crosses Tennessee from west to east, from the Mississippi River at the Arkansas border to the Blue Ridge Mountains at the North Carolina border. At 455.28 miles (732.70 km), the Tennessee segment of I-40 is the longest of the eight states through which it passes and the state's longest Interstate Highway. [5]
This alignment was affirmed in a map produced by the Bureau of Public Roads, the predecessor agency to the Federal Highway Administration, in September of that year, [19] and I-65 was part of 1,047.6 miles (1,685.9 km) of Interstate Highways allocated to Tennessee by the Federal-Aid Highway Act of 1956, commonly known as the Interstate Highway ...
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