Washington Dulles Airport (IAD)
Washington METRO System rail service serves the Washington DC metropolitan area.
Metro bus to Downtown Washington
Metro bus route 5A provides express bus service from Dulles to Washington. Bus route 5A begins at the L'Enfant Plaza Metro station in downtown Washington with stops at Rosslyn Metro Station, and Tysons Westpark Transit Station before going to the airport.
Go to Washington Google Maps to input travel times when you will be in Washington.