Highway 77 (AR 77, Ark. 77, and Hwy. 77) is a north–south state highway in Northeast Arkansas. The route of 66.70 miles (107.34 km) runs from US Highway 70 (US 70) in West Memphis north through small towns and agricultural areas of the Arkansas Delta to the Missouri state line. It is generally a low-traffic road except in West Memphis. Created during the 1926 Arkansas state highway numbering, the route was extended in the 1950s and 1960s, including along a former alignment of US 61. AR 77 does not have any spur or business routes.