West Virginia State Route 9 runs mostly north-south in Berkeley County. It runs from the Berkeley/Jefferson County Line, near Kearneysville, to the Berkeley/Morgan County Line, near Holton. WV St Rt 9 passes through the following towns in Berkeley County. Baker Heights Martinsburg Hedgesville Johnsontown WV St Rt 9 is multi-plexed in Berkeley County. U.S. Rt. 11, at Martinsburg. West Virginia State Route 45, at Martinsburg.