London and into the Home Counties with a branch to Heathrow Airport. It is Europe's biggest construction project, with a £15 billion projected cost. London is the centre of the National Rail network, with 70 per cent of rail journeys starting or ending in London. Like suburban rail services, regional and inter-city trains depart from several termini around the city centre, linking London with the rest of Britain including Birmingham, Brighton, Reading, Bristol, Cardiff, Derby, Exeter, Sheffield, Southampton, Leeds, Liverpool, Manchester, Cambridge, Newcastle upon Tyne, Edinburgh and Glasgow. Some international railway services to Continental Europe were operated during the 20th century
London International Airport if the aircraft is unloaded in stages. In January 1927 the City of London selected a site for an airfield at Lambeth, Ontario near . A group of local businessmen acquired the site in 1928 and by 3 May 1929 an airport license was issued to London Airport Ltd. The London Flying Club was formed in 1928 and became a tenant of the new airport. The airfield was used for flying instruction, private aviation, and for air mail. By 1933 it had become too small for some commercial aircraft. The London Flying Club continued to use the Lambeth airfield until