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 year could be absorbed by other airports which are currently under capacity. However, this plan was proposed when London City Airport was for sale. In February 2016 the airport was bought by a Canadian-led consortium, making redevelopment less likely. Additionally, the political weight behind air space in the south east would make it less likely still, with the government having approved the controversial expansion of Heathrow Airport, including the third runway. Owing to its proximity to London's Docklands and financial district its main users are business travellers, but the number of leisure destinations served (like Palma de Mallorca, Malaga or