Ground Transportation

WMATA (Washington DC)

Washington Metropolitan Area Transit Authority
600 Fifth Street, NW
Washington, DC 20001

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Washington Metropolitan Area Transit Authority

NOTE, beginning June 25, the schedule for Metrobus B30 Greenbelt-BWI Airport will change in the following ways:

  • On weekdays, the time between buses will change from every 40 minutes to every 60 minutes.
  • Saturday and Sunday service will be eliminated.

Metro now offers BWI Express Metro bus service between BWI and the Greenbelt Metro Station. The BWI Express/B30 service runs every 40 minutes from BWI during these times: M-F 6:38am-10:33pm, Saturday and Sunday 9:13am-10:30pm. Buses run 25 times each weekday and 21 times on Saturdays and Sunday, every 40 minutes. For more information call 202-637-7000 or go to

Catch the BWI Express from BWI Marshall Airport. There are two WMATA Bus Stops. One is located on the lower level of the International Concourse and the other stop is located on the lower level of Concourse A/B. The B30 will pick you up outside at the bus shelter. Follow the signs that say "Public Transit."

The Greenbelt Metro Station connects to Metro Stations throughout Washington, DC, Virginia, Montgomery and Prince Georges Counties. A route map and schedule is available now on Metro's website,