Please allow additional time if using shuttles to travel between the terminal, parking lots and rail station as shuttle delays are possible. Travelers should plan to arrive at the terminal 2 hours before scheduled domestic departure.
MTA Commuter Bus 201
MTA Commuter Bus 201 operates between the Gaithersburg Park and Ride lot located at I-270 and MD 124 in Montgomery County and BWI Marshall Airport. The 201 makes stops at the Shady Grove Metro, the Georgia Avenue Park & Ride, the Burtonsville Park & Ride, and Arundel Mills Mall. It stops at the BWI Rail Station, plus Concourses A (Southwest Airlines) and E (International terminal), dropping off passengers on the upper level and picking up passengers on the lower level.
For fares and additional information visit the MTA website.