Economy of London project is construction of 42 km (26 mi) of new tunnels connecting stations in central London including a branch to Canary Wharf in east London. It is Europe's biggest construction project with a £15 billion projected cost. An additional line, Crossrail 2, has been proposed. London is served by six international airports which are the world's busiest city airport system by passenger traffic. These are Heathrow, Gatwick, Stansted, Luton, London City, and Southend. There are a number of proposals for expanding airport capacity for London including expansion of London Heathrow Airport and expansion of Gatwick Airport. The principal argument in
East London Airport were undertaken by two de Havilland Moth planes on Saturday afternoons and all day on Sundays, weather permitting. Flights could also be booked for weekdays, but only by special arrangement. In 1931 it took 11 hours to fly from Windhoek in Namibia to East London. In 1944 a new airport was built at Collondale, about 2 km west of the present terminal building. In 1965 the airport was again moved, this time to its present site, 9 km west of the city centre. Construction of the terminal buildings finished in 1966, and the airport was named after Ben Schoeman, the