State Route 31 (SR 31) is a primary state highway in the U.S. state of Virginia. The state highway runs 24.56 miles (39.53 km) from U.S. Route 460 (US 460) in Wakefield north to SR 5 and SR 199 in Williamsburg. SR 31 is the primary north–south highway of Surry County, where the highway serves the towns of Surry and Dendron. The state highway also connects Williamsburg with Jamestown. The sections of SR 31 on either side of the James River are connected by the Jamestown Ferry.