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Interstate 40 in Tennessee. Interstate 40 ( I-40) is part of the Interstate Highway System that runs 2,556.61 miles (4,114.46 km) from Barstow, California, to Wilmington, North Carolina. [ 1] The highway crosses Tennessee from west to east, from the Mississippi River at the Arkansas border to the Blue Ridge Mountains at the North Carolina ...
The longest interstate highway in Tennessee is Interstate 40, at a length of 454.81 miles (731.95 km). The segment of I-40 in Tennessee is also the longest segment of all of the states the route traverses. The shortest mainline interstate highway in Tennessee is I-55, at a length of 12.28 miles (19.76 km) in Memphis.
US. State. 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]
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.
Interstate 40 ( I-40) is a major east–west transcontinental Interstate Highway in the southeastern and southwestern portions of the United States. At a length of 2,556.61 miles (4,114.46 km), it is the third-longest Interstate Highway in the country, after I-90 and I-80. From west to east, it passes through California, Arizona, New Mexico ...
The major duties and responsibilities of TDOT are to: plan, build, and maintain the state-owned highway and Interstate system of over 14,000 miles (23,000 km);; administer funding and provide technical assistance in the planning and construction of state and federal aid road programs for cities and counties;
Most of the state is considered part of the Upland South, and the eastern third is part of Appalachia. [ 1] Tennessee covers roughly 42,143 square miles (109,150 km 2 ), of which 926 square miles (2,400 km 2 ), or 2.2%, is water. It is the 16th smallest state in terms of land area. The state is about 440 miles (710 km) long from east to west ...
Interstate 840 ( I-840 ), formerly State Route 840 ( SR 840 ), is a freeway that serves as an outer bypass route around Nashville, Tennessee. 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 ...