 In the 1940 renumbering, the northern piece of SR 234 (through Purcellville) became part of State Route 17.SR 234 was rerouted to continue northwest on SR 734 from Philomont to Bluemont (also never transferred to the primary system), where it absorbed the short State Route 245 to State Route 7.At the same time, a short piece of SR 234 south of Gilberts Corner also became U.S. Route 15.