Airports of London cannot be expanded due to the docks on either side. It is also the only airport serving London which does not operate at night. A light rail service from London City Airport DLR station, which adjoins the terminal building of London City Airport, links it to the financial district of the City of London at Bank and Monument stations, which offer interchanges with London Underground. Located in the London Borough of Hillingdon, Heathrow is by far the largest of London's airports and considered the main gateway into the United Kingdom for non-European visitors. Heathrow has four terminals and two parallel
History of the London Underground Stratford, with through running from 22 November 1999, when the Charing Cross terminus closed. Transport for London (TfL) was created in 2000 as part of the Greater London Authority by the Greater London Authority Act 1999. In 1999, before control was passed to TfL, London Underground was split up so that a public–private partnership (PPP) arrangement could be put in place, with London Underground remaining a public company running the trains while private companies were responsible for upgrading the railway. Three packages of 30-year franchises were drawn up, covering the Jubilee, Northern and Piccadilly lines (JNP), the Bakerloo, Central Victoria