Elephant & Castle tube station revived on several occasions; in 2014 TfL ran a consultation on an extension to Hayes and Beckenham Junction, which is still under consideration. Elephant & Castle is located in the Elephant and Castle area of Newington in the London Borough of Southwark in central London. The station is in both Travelcard Zones 1 and 2 and is on the Bank branch of the Northern line between Kennington and Borough stations, and is the southern terminus of the Bakerloo line, the next station being Lambeth North. The station has two surface buildings, separated by a large traffic intersection. The northern building
Bakerloo line at Warwick Avenue station showed "Camberwell" as a destination until the 1990s. One oddity is that, almost from its opening until 1917, the Bakerloo operated with the polarity of the conductor rails reversed, the outside rail negative and the centre rail positive. This came about because the Bakerloo shared a power source with the District Railway. On the Bakerloo, the outside conductor rail tended to leak to the tunnel wall, whereas on the District Railway, the centre rail shared a similar problem. The solution was to reverse the polarity on the Bakerloo line, so that the negative rail leaked on