West Virginia Route 31
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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
| County | Location | mi | km | Destinations | Notes |
|---|---|---|---|---|---|
| Ritchie | Harrisville | WV16 (Spring Street)– Ellenboro, Grantsville | |||
| | US50 east– Clarksburg | south end of US 50 overlap | |||
| Wood | Deerwalk | US50 west/ CR50/16 (Riser Ridge Road)– Parkersburg | north end of US 50 overlap | ||
| | WV2 south– Parkersburg | south end of WV 2 overlap | |||
| | WV2 north– Wheeling | north end of WV 2 overlap | |||
| Williamstown | WV14 north to I-77– Parkersburg, Marietta, OH | north end of signed WV 31; south end of WV 14 overlap | |||
| WV14 south– Vienna | north end of WV 14 overlap | ||||
| To Williamstown Bridge (SR 60 north)/ SR7– Marietta | |||||
| 1.000mi = 1.609km; 1.000km = 0.621mi Concurrency terminus |