Arkansas Highway 59 is a north–south state highway in Northwest Arkansas. The route runs 93.24 miles (150.06 km) from Arkansas Highway 22 in Barling north to the Missouri state line through Van Buren, the county seat of Crawford County.^[2] Highway 59 parallels US 59 (in Oklahoma) between Siloam Springs and Fort Smith. Since US 59 goes through Arkansas, AR 59 is the only Arkansas state highway to share its numbering with a federal highway that goes through Arkansas.

Quick Facts Highway 59, Route information ...

Highway 59
Route information
Maintained by AHTD
Length	93.24 mi[1] (150.06 km)
Existed	1935–present
Major junctions
South end	AR 22, Barling
Major intersections	I-540 / US 71, Van Buren US 64, Van Buren I-40, Van Buren US 62, Summers US 412, Siloam Springs
North end	Route 59, Missouri state line
Location
Country	United States
State	Arkansas
Counties	Benton, Crawford, Washington
Highway system
Arkansas Highway System Interstate US State Business Spurs Suffixed Scenic Heritage
← AR 58 → AR 60

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The route begins in Barling at AR 22.^[3] The route runs north to enter Van Buren, crossing I-540 and briefly concurring with US 64. The concurrency begins near the Joseph Starr Dunham House and before crossing Interstate 40.^[2] The route exits town northbound, intersecting rural highways AR 162 and AR 220 in Cedarville and crossing Lee Creek on the historic Lee Creek Bridge. At this time, AR 59 is running through the Boston Mountains subdivision of The Ozarks. North of Cedarville, AR 59 curves west toward Oklahoma, coming within 0.1 miles (0.16 km) of the border.^[2]

Entering Washington County, the route meets Arkansas Highway 156 in Evansville and AR 244 in Tofu.^[4] The route continues north to Dutch Mills and Summers before entering Siloam Springs.

Upon entering Benton County, AR 59 concurs with US 412 east around the southeast edge of Siloam Springs. The concurrency ends and AR 59 continues north to Gentry. AR 59 passes near Kansas City-Southern Railway cars and Kansas City-Southern Depot in Decatur. The route continues north to AR 72 and the Kansas City Southern Railway Caboose No. 383 in Gravette. The highway runs further north to Wee Pine Knot, the Adar House, and Butler Creek Cemetery in Sulphur Springs. AR 59 meets Missouri Route 59 at the Missouri state line and terminates.^[5]

When Arkansas established its first numbered state highway system in 1926, Arkansas Highway 59 was designated for a route that led from the Louisiana state line to Eudora.^[6] The South Arkansas route later became AR 159, and the 59 number moved to northwest Arkansas. In 1936, AR 59 traveled from Van Buren north to Siloam Springs. From AR 72 at Gravette, north to the Missouri state line, AR 59 is the original alignment of US 71. The roadway continues north into Missouri as Missouri Route 59.

The route was widened by the AHTD in 2007 around Siloam Springs.^[7]

AR 59 has two special routes, both in Gentry.