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
Groton–New London Airport The station had one airplane assigned, a GH Howard. In March 1944, station personnel consisted of 87 officers and 678 enlisted men with barracks for 114 officers and 1,091 men. The peak number of aircraft reached 114 in March 1945. Groton had three concrete runways: two of 4,000 feet and one of 5,000 ft. In July 1946, the Navy returned the airport to the State of Connecticut. In 1980, the name of the airport changed to Groton–New London Airport. Today, the airport is one of two state-owned airports with commercial air carrier service. The funds necessary to operate Groton–New London