Central line (London Underground) Hammersmith (Grove Road) railway station. Authorisation was granted in 1920, but the connection was never built, and the L&SWR tracks were used by the Piccadilly line when it was extended west of Hammersmith in 1932. On 1 July 1933, the Central London Railway and other transport companies in the London area were amalgamated to form the London Passenger Transport Board, generally known as London Transport. The railway was known as the "Central London Line", becoming the "Central line" in 1937. The 1935–40 New Works Programme included a major expansion of the line. To the west new tracks were to be
History of the London Underground Brompton and Piccadilly Circus Railway that had authority for a tube from South Kensington to Piccadilly Circus. The District's plans were combined by Yerkes with those of the Great Northern and Strand Railway, a tube railway with permission to build a line from Strand to Finsbury Park, to create the Great Northern, Piccadilly and Brompton Railway. In April 1902, the Underground Electric Railways Company of London (UERL) was established, with Yerkes as chairman, to control these companies and manage the planned works. On 8 June 1902, the UERL took over the Metropolitan District Traction Company. The UERL built a large