View north along WV 31 at WV 2 in Wood County

West Virginia Route 31 is a north–south state highway in the northwestern portion of the U.S. state of West Virginia. The northern terminus of the route is at the Ohio state line on the Williamstown Bridge over the Ohio River. The southern terminus is at West Virginia Route 16 in Harrisville, West Virginia.

The northernmost extent of the route from West Virginia Route 14 near Interstate 77 Exit 185 southeast of Williamstown to the Ohio state line is not signed.

Major intersections

CountyLocationmikmDestinationsNotes
RitchieHarrisvilleWV16 (Spring Street)– Ellenboro, Grantsville
US50 east– Clarksburgsouth end of US 50 overlap
WoodDeerwalkUS50 west/ CR50/16 (Riser Ridge Road)– Parkersburgnorth end of US 50 overlap
WV2 south– Parkersburgsouth end of WV 2 overlap
WV2 north– Wheelingnorth end of WV 2 overlap
WilliamstownWV14 north to I-77Parkersburg, Marietta, OHnorth end of signed WV 31; south end of WV 14 overlap
WV14 south– Viennanorth end of WV 14 overlap
To Williamstown Bridge (SR 60 north)/ SR7Marietta
1.000mi = 1.609km; 1.000km = 0.621mi Concurrency terminus