London Britannia Airport and would mean the closure of Heathrow Airport. Proponents argue the scheme's big advantage is that it would avoid flying over densely populated areas and the noise pollution and other problems that causes. Some local councils and the Royal Society for the Protection of Birds oppose the plan, as do current London airports. Critics suggest the scheme is impractical and too expensive. In early 2014 it was revealed that the UK Airports Commission, in its interim report, did not recommend the London Britannia proposal for further analysis. London Britannia Airport London Britannia Airport is a proposed six-runway airport to be
London Underground S Stock (ex-Metropolitan Railway) used with two 1925-built prototype driving motors. In 1925, two driving motor cars were built as prototypes for what would later become the T stock. In the London Passenger Transport Board numbering scheme, they became 2598 and 2599. After the trailer cars were withdrawn from service in the 1940s, the two driving motor cars remained in service on the East London Line, being used with a 1923-built control trailer. These three cars were withdrawn in 1950. London Underground S Stock (ex-Metropolitan Railway) S stock is the designation given to one train of eight cars by London Underground in the 1930s.