Arkansas Highway System

	Highway markers for Interstate 40, US Highway 62 and AR 7
	A map of highways in the state of Arkansas
System information
Length	16,442.90 mi (26,462.28 km)
Formed	1924
Highway names
Interstates	Interstate nn (I-nn)
US Highways	US Route n (US nn)
State	Highway nn
System links
	Arkansas Highway System; Interstate; US; State; Business; Spurs; Suffixed; Scenic; Heritage;

The Arkansas Highway System is made up of all the highways designated as Interstates, U.S. Highways and State Highways in the US state of Arkansas. The system is maintained by the Arkansas Department of Transportation (ArDOT), known as the Arkansas State Highway Department (AHD) until 1977 and the Arkansas State Highway and Transportation Department (AHTD) from 1977 to 2017. The system contains 16,442.90 miles (26,462.28 km) of Interstates, U.S. Routes, state highways, and special routes. The shortest members are unsigned state highways Arkansas Highway 806 and Arkansas Highway 885, both 0.09 miles (0.14 km) in length. The longest route is U.S. Route 67, which runs 296.95 miles (477.89 km) from Texarkana to Missouri.

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