Transportation in Washington, D.C. 30 minutes south of the city in Lorton, Virginia. Connections to the Washington Metro are offered at in Washington, station in Prince George's County, in Montgomery County, and , adjacent to Alexandria Union Station. Metrorail's Yellow and Blue Lines serve Ronald Reagan Washington National Airport. Express bus service from and is provided to Washington Dulles International Airport. Baltimore-Washington International Airport is served by express bus from and by rail from Union Station by MARC and Amtrak. There is also a planned station for Washington Dulles International Airport on the Metrorail Silver Line. DC Circulator is a downtown circulator bus system
London City Airport is served by London City Airport DLR station, which is an elevated station adjoining the terminal building. The station is on a branch of the Docklands Light Railway, which links the airport to Canary Wharf and the City of London as well as to and stations with interchanges to London Underground, London Overground, TfL Rail, Abellio Greater Anglia, c2c Thameslink and Southeastern High Speed train services. The airport is served by the A1020 road and the A112 road. These give fast links to Canning Town, the City of London and Stratford, as well as connecting to the A13 and the