Street through downtown. The route was formed in the 1990s. Virginia business route U.S. Route 340 Business (US 340 Bus.) is a business route of US 340 in Page County, Virginia. West Virginia alternate route U.S. Route 340 Alternate (US 340 Alt.) is an unsigned alternate route of US 340. It is a spur following Washington Street and High Street through the towns of Bolivar and Harpers Ferry. See also Notes References External links Endpoints of US 340 at USEnds.com Virginia Highways Project: US 340 MDRoads: US 340 US 340 in Virginia at AARoads.com US 340 in West Virginia at AARoads.com US 340 in Maryland at AARoads.com Virginia Roads - US 340 West Virginia Roads - US 340 40-3 3 40-3 40-3 40-3 U.S. Route 340 U.S. Route 340 U.S. Route 340 U.S. Route 340 U.S. Route 340 U.S. Route 340 U.S. Route 340 U.S. Route 40-3 Charles Town, West Virginia Harpers Ferry, West Virginia U.S. Route 340 U.S. Route 340 In Maryland U.S. Route 340 In Maryland