Lambeth North tube station Lambeth North tube station Lambeth North is a London Underground station in the neighbourhood of Lambeth, at the junction of Westminster Bridge Road and Baylis Road. It is on the Bakerloo line, between Elephant & Castle and Waterloo, and is in Travelcard Zone 1. It is located at 110 Westminster Bridge Road, and is the nearest tube station to the Imperial War Museum. It closed for maintenance works in July 2016, and reopened in February 2017. As of 2015 it is the least-used Underground station in Zone 1. Designed by Leslie Green, the station was opened by the Baker Street
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