Tennessee Department of Transportation

The Tennessee Department of Transportation (TDOT) is the department of transportation for the State of Tennessee, with multimodal responsibilities in roadways, aviation, public transit, waterways, and railroads. 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. Since 1998, TDOT has been ranked amongst the top five in the nation for quality highway infrastructure. It is primarily headquartered in downtown Nashville and operates four regional offices in Chattanooga, Jackson, Knoxville, and Nashville.