London Underground 1967 Stock London Underground 1967 Stock The London Underground 1967 Stock was a type of deep-level tube stock which operated on the Victoria line of the London Underground from when the line first opened on 1 September 1968 until 30 June 2011. Some of the stock was also used on the Central line between Woodford and Hainault between 21 February 1968 and 1984, as the same automatic train operation (ATO) system was used on both lines. A total of 316 cars (39.5 train sets) were built by Metro-Cammell, and the stock was refurbished at Rosyth. Withdrawn cars of Mk I 1972 stock
London Underground with smaller trains that run in two circular tunnels ("tubes") with a diameter about . These lines have the exclusive use of a pair of tracks, except for the Piccadilly line, which shares track with the District line between Acton Town and Hanger Lane Junction and with the Metropolitan line between Rayners Lane and Uxbridge; and the Bakerloo line, which shares track with London Overground services north of Queen's Park. Fifty-five per cent of the system runs on the surface. There are of cut-and-cover tunnel and of tube tunnel. Many of the central London underground stations on deep-level tube routes