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
Liège Airport "golden triangle" Paris - Amsterdam - Frankfurt that handles 66% of European freight, and 75% when taken together with London. In 2014 it was the eighth-biggest cargo airport in Europe. Liège Airport is the biggest cargo airport in Belgium, and the third-biggest for passengers after Brussels Airport and Brussels South Charleroi Airport. It is the global hub of ASL Airlines Belgium (the former "TNT Airways"), the European hub of Allied Air, Astral Aviation, CAL Cargo Air Lines, El Al Cargo, Ethiopian Cargo, and Icelandair Cargo, and a key European cargo hub for ABX Air, AirBridge Cargo, Bluebird Cargo, Emirates, i-Fly