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
London Underground anagram map London Underground anagram map London Underground anagram map is a parody map of the London Underground with the station and line names replaced with anagrams. The anagram map was circulated on the web in February 2006. The map was featured on thousands of blogs before a Transport for London lawyer requested that the map be removed. It inspired some people to create anagram versions of their hometown's metro system with similar legal repercussions. The fact that it was appreciated internationally, despite some not knowing the stations behind the anagrams, is a recognition of Harry Beck's iconic Tube map design. The