The route runs 9.00 miles (14.48 km) from Arkansas Highway 53 north to Arkansas Highway 29 in Lewisville.

[2] The route does not intersect any other state highways.

Arkansas Highway 313 begins at Arkansas Highway 53 at Mars Hill, an unincorporated community.

[3] The entire route is in Lafayette County.

Media related to Arkansas Highway 313 at Wikimedia Commons