Acela Express
BWI Rail Station is located on Amtrak's Northeast Corridor, a rail line connecting Washington, D.C., Philadelphia, New York, and Boston. Amtrak's "Northeast Regional", "Acela Express", "Vermonter", and "Palmetto", as well as the MARC Penn Line commuter rail service, stop at the station. Amtrak long distance trains, as well as some "Northeast Regional" and "Acela Express" trains, bypass the station.