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 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