Circle line (London Underground) with the other London Underground sub-surface lines: the Hammersmith & City line from Hammersmith to just before Aldgate; the Metropolitan line from Baker Street to Aldgate; and the District line from Tower Hill station to Edgware Road station. The line is electrified with a four-rail DC system: a central conductor rail is energised at and a rail outside the running rail at , giving a potential difference of . The running rails are not electrified. Much of the double track railway from the Hammersmith terminus to Westbourne Park station is on a high brick viaduct. East of Westbourne Park the
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