Highway 31 is a north–south state highway in Central Arkansas. The route of 75.34 miles (121.25 km) runs from U.S. Route 79B (US 79B) near Pine Bluff north across US 165, US 70, Interstate 40 (I-40) and US 64/US 67/US 167 before terminating at Highway 5 near Romance.
State Highway 31 in downtown Lonoke, Arkansas.
Highway 31 south of Beebe
Highway 31 north of Lonoke
Special routes of U.S. Route 79
A total of twelve special routes of U.S. Route 79 exist, divided between the states of Arkansas, Louisiana, Tennessee and Texas. Currently, they are all business routes, except for one bypass of Humboldt, Tennessee, and one bypass of Homer, Louisiana.
Highway 79B in downtown Bearden
US 79B terminates at its parent route in Clarendon