Companies 1 and 3 along with Frederick County's Advanced Life Support were dispatched to a reported rollover on Route 15 northbound at Route 40 (West Patrick Street). Enroute, units were advised of an updated location just south of Route 40 possibly on the ramp from Route 40 to Route 15 southbound. Chief 3-1 arrived on the scene southbound Route 15 adjacent to the ramp from eastbound Route 40, with a vehicle rollover, occupant still in the vehicle. Chief 3-1 assessing the scene determining subject entrapped in the vehicle, establishing command. Rescue Engine 11 arrived on the scene and initiated vehicle stabilization. Ambulance 18's crew began initial patient assesment along with Medic 2 and EMS-901. Rescue Squad 3's crew assisted with the vehicle stabilization and both crews began extrication. Engine 31's crew extended an 1 3/4 inch trash line for exposure protection. Crews utilized the hydraulic cutters and spreaders to remove the roof and driver's side doors. The patient was treated on the scene and then transported to Washington County Hospital Center's Adult Trauma Center. Command was then terminated and the scene was released to the Maryland State Police and the State Highway Adminstration.