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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 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]
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 highway is maintained by the Tennessee Department of Transportation (TDOT). The busiest stretch of highway in Tennessee is on the segment concurrent with I-75 in Knoxville between a connector to US 11 / 70 and Papermill Road, which had an average daily traffic volume of 218,583 vehicles in 2022. [ 7 ]
I-65 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) counts ranged from 18,886 vehicles per day at the Alabama state line (which is one of the lowest traffic volumes on any mainline Interstate Highway in Tennessee) to 177,202 vehicles per day on the concurrent ...
Interstate 55 (I-55) is part of the Interstate Highway System that runs from LaPlace, Louisiana, to Chicago, Illinois.In the state of Tennessee, the Interstate is located entirely within the state's second-largest city of Memphis, running 12.28 miles (19.76 km) from the Mississippi state line in the Whitehaven neighborhood to the Arkansas border across the Mississippi River.
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 ...