- Baltimore/Washington International Airport
- Dulles International Airport
- Ronald Reagan Washington National Airport
- Metrorail (Subway)
- Metrobus (Public bus)
Maryland telephone numbers: (301) 261-1000 (general information), (800) 258-3826 (ground transportation), and (301) 672-6167 (Amtrak BWI Station).
Chantilly, Virginia telephone numbers: (703) 572-2700 (general information), (703) 572-2954 (lost and found), (703) 528-4440 (taxi service), and (703) 572-8296 (travelers aid).
Arlington, Virginia telephone numbers: (703) 417-8000 (general information), (703) 417-8560 (lost and found), (703) 637-7000 (metro information), and (703) 417-3972 (travelers aid and paging).
Operates 5:30 a.m. until 12:00 midnight, Monday through Friday. Operates 8:00 a.m. until 12:00 midnight on Saturday. Operates 8:00 a.m. until 12:00 midnight on Sunday and holidays.
Telephone: (202) 637-7000 (transit information, timetable requests, and parking information), (202) 962-1245 (handicapped assistance), and (202) 962-1196 (lost and found).
Operates 6:00 a.m. until 11:30 p.m. Days and times vary by route.
Telephone: (202) 637-7000 (transit information, timetable requests, and parking information), (202) 962-1245 (handicapped assistance), and (202) 962-1196 (lost and found).

