All Amtrak trains on the northeast corridor between Boston and Washington stop at Baltimore's Penn Station. Maryland Area Rail Commuter (MARC) trains travel between Baltimore's Penn Station and Washington, D.C., Camden Station, and Washington, and BWI Airport and Penn Station. The trip to Washington, D.C., takes about one hour and costs $7; the trip to BWI Airport from Penn Station takes about 20 minutes and costs $4. Trains run several times per hour, weekdays 4:45 am–9:30 pm and on the weekends, although less frequently, 7:30 am–9:15 pm.
Light rail is an easy, comfortable (if slow) way to reach downtown from the northern and southern suburbs. Stops near downtown include Oriole Park at Camden Yards, Howard Street, and Centre Street near Mount Vernon. Many of the city’s arts institutions can be reached by the Cultural Center-State Center or Centre Street stops. Light rail extends to Hunt Valley, BWI Airport, and Glen Burnie. The fare is $1.60 (exact change is required); day passes are $3.50.