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 Biggin Hill Airport London, outside of the Greater London Built-up Area. The small village of Leaves Green lies adjacent to the north-western perimeter of the airport. The airport has one runway aligned roughly north-south. The runway (03/21) is 1,820 metres in length, making it usable by aircraft up to Boeing 737/Airbus A320 size, and it has an Instrument Landing System. Radar air traffic control (ATC) services are provided by Thames Radar at the London Terminal Control Centre, while procedural approach and VFR ATC services are provided by the airport itself. Despite the ban on scheduled services, Biggin Hill is used by a large