 At the northeast corner of town, the U.S.Highways have a pair of right-in/right-out interchanges with SR 645 and SR 678, cross the rail line, and have a partial interchange with the eastern ends of their business routes.US 460 and US 19 continue east between East River Mountain to the south and Little Valley Ridge to the north; the highways leave the Tennessee River watershed and enter the valley of the Bluestone River, which is part of the New River watershed.