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Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes US 11: 124.86: 200.94 US 11 (Georgia state line) – Chattanooga: US 11E / US 11W / US 70 – Knoxville: 1926: current US 11W: 109.16: 175.68 US 11 / US 11E / US 70 – Knoxville: US 11W / US 421 (Virginia state line) – Bristol: 1929
This initial system consisted of 3,122.2 miles (5,024.7 km) of federal aid routes, and 1,522.2 miles (2,449.7 km) of state aid highways. [1] When the United States Numbered Highway System was created in 1926, most of the federal aid state routes were assigned a U.S. Route designation as part of this system, but retained their state designations.
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 Chattanooga, which is unsigned; the shortest signed Interstate Highway is I-275 in Knoxville, at 2.98 miles (4.80 km ...
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. [2]
US 31, US 431 and US 41 and US 41A then go around the Tennessee State Capitol Building and lose US 41A, the Rosa L. Parks name and the Tennessee Parkway designation. US 31, US 431 and US 41 then go over the Cumberland River on the Victory Memorial Bridge. US 31, US 431 and US 41 then have an interchange with I-24.
For the next two weeks the Tennessee Department of Transportation will be repairing the I-75 bridge over the Tennessee River near mile marker 74 in Loudon County.
In Tennessee, I-81 serves the northeastern part of the state, running 75.66 miles (121.76 km) from its southern terminus with I-40 in Dandridge to the Virginia state line in Bristol. The route serves the Tri-Cities region of the state and the eastern parts of the Knoxville metropolitan area, terminating about 35 miles (56 km) east of Knoxville.
The U.S. Department of Transportation is providing nearly $400 million to build a new Interstate 55 bridge connecting Tennessee and Arkansas across the Mississippi River, replacing the existing 75 ...