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
Stations around Shepherd's Bush City Underground station (opened in 1947 to replace the former Wood Lane station) and the 2008 Wood Lane Hammersmith & City line station. Stations around Shepherd's Bush Shepherd's Bush is an area of west London, England, which has been served by a number of London Underground and commuter rail stations over the past 150 years, many of which have had similar names. The names "Shepherd's Bush", "Wood Lane" and "White City" have each been used by several separate stations around the Shepherd's Bush district, following a number of station renamings and closures. The first Shepherd's Bush station was opened in