 West Virginia Route 12, at least near the Virginia line, became an extension of West Virginia Route 16.State Route 17, which continued U.S. Route 17 northwest from Fredericksburg to Opal, was extended over U.S. Route 15 from Opal to Warrenton, former US 15 from Warrenton to Middleburg, secondary routes from Middleburg to south of Purcellville, and the northern piece of State Route 234 through Purcellville to Maryland.This is now U.S. Route 17, State Route 245, secondary routes, and State Route 287.