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It was established in 1915 as the Tennessee Department of Highways and Public Works, and renamed the Tennessee Department of Transportation in 1972. The core agency mission of TDOT is to provide a safe and reliable transportation system for people , goods, and services that supports economic prosperity in Tennessee.
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]
I-81 is maintained by the Tennessee Department of Transportation (TDOT), along with all other Interstate, US, and state highways in Tennessee. In 2022, annual average daily traffic (AADT) volumes ranged from 61,299 vehicles per day at the southern terminus to 34,896 vehicles per day between US 25E and SR 160. [4]
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 ...
US 25E at the Kentucky state line at Cumberland Gap Tunnel: 1923: current SR 33: 174.42: 280.70 US 411/SR 61 at the Georgia state line in Polk County: SR 696 at the Virginia state line in Hancock County: 1923: current SR 34: 154.09: 247.98 US 11E/US 25W/US 70/SR 9 in Knox County: US 421 at the North Carolina state line near Trade: 1923
Until the 2000s, SR 461 was signed as SR 49. [4] Although the road south of the LBL boundary became designated as SR 461 after the USDA Forest Service took over ownership of LBL, some road maps still identify the entire Tennessee section of the trace as SR 49.
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 ...
State Route 396 (SR 396), commonly referred to as Saturn Parkway, is a 4.47-mile-long (7.19 km) [a] east–west primary state route located in the city of Spring Hill in the U.S. state of Tennessee. The entire route is a controlled-access highway , and provides direct access between the General Motors Spring Hill Manufacturing plant and ...