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In 1972, due to its expanding role in all modes of transportation, it was renamed the Tennessee Department of Transportation. In the 1980s, TDOT began the $3.3 billion Better Roads Program to clear a backlog of projects and improve aging roads. In 1989, the gas tax was set at 21.40 cents per gallon to help fund this project.
The Tennessee Department of Transportation (TDOT) awarded a construction contract for 2.4-mile (3.9 km) Section 3 (southern leg of the Union City Bypass) in March 2016 and planned to let a second contract for Section 5 (northern leg of the Union City Bypass) in December 2016. Work began on Section 3 in June 2016.
Each district, managed by a district engineer, is responsible for the design, location, construction, and maintenance of its area transportation systems. Local field offices within districts are known as area offices, and many districts also have separate maintenance offices, usually on a county-by-county basis.
In May 2000, the Gray Fossil Site was discovered by TDOT construction crews along SR 75 near the Gray Community. This site consists of fossils from the early Pliocene era that are between 4.5 and 4.9 million years old. A museum on the site opened in 2007. [5]
Construction on the controlled-access segment between US 127 and SR 153 was scheduled to begin in 1980 [1] but was delayed multiple times. It was finally constructed between 1985 and 1989. [ 5 ] SR 111 was extended over Walden Ridge to Dunlap in the early 1990s, and the controlled access segment of US 27 was extended approximately 1.75 miles (2 ...
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 first contract for construction of the Nonconnah Parkway was awarded on August 3, 1990, at a cost of $44.75 million (equivalent to $92.3 million in 2023 [3]), which was at the time the most expensive contract ever awarded by TDOT. [4] The project included construction of the interchange between the parkway and I-240, construction of the ...
Local officials and residents in 1968 and 1969 unsuccessfully tried to pressure the Tennessee Department of Highways, the predecessor agency to the Tennessee Department of Transportation (TDOT), to construct the route as a fully controlled-access highway, but they chose a limited-access design that incorporated both interchanges and at-grade ...