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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]
The state highway system consists of roads indicated on the official CTDOT map and highway log. As of January 1, 2007, the state highway system contains a total of 3,719 miles (5,985 km) of roads (not including ramps and interchange connections), corresponding to approximately 20% of all roads in the state. All state highways are state ...
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.
The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these highways were coordinated among the states, they are sometimes called Federal Highways, but the roadways ...
02010-01-01. 2010. Proposed I-75 bypass of Knoxville, also proposed to be extended to I-40 at exit 407 ( SR 66) to provide a complete northern beltway of Knoxville and provide a more direct route to Sevier County/Great Smoky Mountains National Park. SR 476. 11.8. 19.0. SR 50 in Broadview.
Map of early federal--"interstate" highway system in Tennessee, circa 1927. Prior to 1915, the state had no central authority governing construction and maintenance of roads. The governor, legislature, other road associations, and local governments all attempted to serve these tasks, leading to a lack of planning and management.
In 1957, Connecticut received approval for the routes of its three primary Interstate highways: I-84, I-91, and I-95. This plan was extended in 1959 to include I-291 and I-491. The first Interstate Highway signs were installed on a completed section of I-91 north of Hartford in 1961. The primary interstates were all completed by 1969 after the ...
Route 85. Route 85 is a north–south state highway in the east-central portion of the U.S. state of Connecticut linking the city of New London to the town of Bolton . The section of Route 85 between Route 82 in Salem and Interstate 95 (I-95) in Waterford is a major thoroughfare that serves traffic between the Hartford and New London areas ...