- Baltimore/Washington International Airport
- Maryland Telephone: (301) 261-1000 (general information), (301) 261-1091 (ground transportation), and (301) 674-1167 (Amtrak BWI Station)
- Dulles International Airport
- Chantilly, Virginia Telephone numbers general information 703/471-7838, lost and found - (703) 471-4114, taxi service - (703) 528-4440 and (703) 661-8636 (travelers aid).
- Metrorail (Subway)
- Open 5:30am to 12:00pm, Monday - Friday. 8:00 a.m. to 12:00pm on Saturday, 10:00am to 12:00pm Sunday, & special schedules on holidays. Metrobus: 6:00am to 11:30pm (days & times vary by route) Telephone: (202)637-7000 (transit information, timetable requests & parking information), (202)962-1245 (handicapped assistance), & (202)962-1196 (lost & found)
- Washington National Airport
- Telephone: (703) 685-8000 for general information, 703/685-8034 for lost and found, (703) 637-7000 for metro information, and 703/684-3472 for travelers aid and paging.