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
London, Tilbury and Southend Railway London, Tilbury and Southend Railway The London, Tilbury and Southend Railway (LTSR), also known as Essex Thameside, is a commuter railway line on the British railway system which connects Fenchurch Street station in central London with destinations in east London and Essex, including , , , , Tilbury, Southend and . Its main users are commuters travelling to and from London, particularly the City of London which is served by Fenchurch Street, and areas in east London including the Docklands financial district via London Underground and Docklands Light Railway connections at and . The line is also heavily used by