Ronald Reagan Washington National Airport more distant Washington Dulles International Airport. Reagan National has United States immigration and customs facilities only for business jet traffic; the only scheduled international flights allowed to land at the airport are those from airports with U.S. Customs and Border Protection preclearance facilities. Other international passenger flights must use Washington Dulles International Airport or Baltimore–Washington International Airport. The first airport in the Washington area with a major terminal was Arlington's Hoover Field, which opened its doors in 1926. Located near the present site of the Pentagon, the facility's single runway was crossed by a street; guards had to stop automobile
Washington Dulles International Airport to a limited access highway, with the interchanges financed through a property tax surcharge on nearby business properties. The Dulles Toll Road has been extended to the west to Leesburg as the Dulles Greenway. Fairfax Connector routes 981 and 983 serve Dulles, connecting to the Herndon–Monroe park & ride lot in Herndon, the Reston Town Center transit in Reston, the Wiehle – Reston East Metro station, and the Steven F. Udvar-Hazy Center Air and Space Museum. The "Express" 5A Metrobus route operates service to the airport. The bus stops at the Herndon–Monroe park & ride lot in Herndon and the