U.S. Federal Route 40 is an east-west highway across Northern Salem County. It runs from the Delaware/New Jersey State Line, near Deepwater. to the Salem/Glochester County Line, near Franklin. U.S. Rt. 40 passes through the following towns in Salem County. Deepwater Sharptown Woodstown Elmer U.S. Rt. 40 is multi-plexed in Salem County. Interstate 295, from the Delaware/New Jersey State Line, to Deepwater.