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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.
U.S. Highways in Arkansas sometimes have spur or business routes. The signs feature a "B" if designating a business route. The signs feature a "B" if designating a business route. This list is incomplete ; you can help by adding missing items .
The primary duty of ArDOT is the maintenance and management of the over 16,000-mile (26,000 km) Arkansas Highway System. The department also conducts planning, public transportation, the State Aid County Road Program, the Arkansas Highway Police, and Federal-Aid project administration. [1] Its headquarters are in Little Rock. [3]
The following is a list of state highways in the U.S. state of Arkansas.The state does not use a numbering convention. Generally, the two-digit odd numbered highways run north–south with a few exceptions; and even-numbered two-digit state highways run east–west with a few exceptions.
The 2010–2013 Statewide Transportation Improvement Program from the Arkansas State Highway and Transportation Department (AHTD) lists cable median barrier installation projects along segments of Interstate 30 (I-30), [1] I-40, [2] I-55, [2] I-430, [2] Interstate 540, [3] and US 67 [4] to begin as funds become available.
Arkansas Highway 7 (AR 7) is a north–south state highway in Arkansas. As Arkansas's longest state highway, the route runs 297.27 miles (478.41 km) from the Louisiana state line north to Diamond City .
Highway 355 (AR 355 and Hwy. 355) is a designation for three north–south state highways in Southwest Arkansas. The routes are maintained by the Arkansas Department of Transportation (ArDOT). Between Saratoga and Mineral Springs , AR 355 is part of the Trail of Tears within the Arkansas Heritage Trails System .
Arkansas Highway 36 (AR 36) is a designation for two state highways in Central Arkansas. One segment of 50.51 miles (81.29 km) runs from U.S. Route 64 (US 64) at Hamlet east to Interstate 57 (I-57) in Searcy. A second segment of 17.45 miles (28.08 km) runs from I-57 in Searcy east to Georgetown.