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 Britannia Airport London Britannia Airport London Britannia Airport is a proposed six-runway airport to be built on an artificial island in the River Thames estuary to serve London, comparable to a similar approach taken with Hong Kong International Airport. The proposal had been dubbed "Boris island" by the media, reflecting the support for the project from former London Mayor Boris Johnson. The scheme was proposed by Testrad (Thames Estuary Research and Development), initially an agency formed by Johnson but now also involving other partners, and was rejected by the airport commission in January 2014. Plans for a Thames Estuary Airport go back