What is Bakerloo line?
{{Use dmy dates|date=June 2018}} {{Infobox rail line | name = Bakerloo line | logo = London flag boxes - Underground Bakerloo line.svg |logo_width = 250px | logo_alt = | image = 1972 stock at queens park.JPG | image_width = 250 | image_alt = A Bakerloo Line train at Queen's Park heading towards Elephant & Castle | caption = A 1972 Stock Bakerloo Line train at [[Queen's Park Station]] | type = [[Rapid transit]] | system = [[London Underground]] | mapcolour = Brown | mapcolourlink = Tube map | stations = 25 | ridership2 = 111,136,000 (2011/12)<ref>{{cite web|url=http://www.tfl.gov.uk/assets/downloads/Performance_Data_Store_P2_2012-13_Issued(1).xlsm |title=LU Performance Data Almanac 2011/12 |publisher=[[Transport for London]] |access-date=1 August 2012 |archive-url=https://web.archive.org/web/20120803065342/http://www.tfl.gov.uk/assets/downloads/Performance_Data_Store_P2_2012-13_Issued%281%29.xlsm |archive-date=3 August 2012 |url-status=dead }}</ref> passenger journeys | open = 10 March 1906 | character = Deep level | depot = Stonebridge Park<br />London Road<br /> Queen's Park | stock = [[London Underground 1972 Stock|1972 Tube Stock]] | linelength_km = 23.2 | tracklength_km = | gauge = {{RailGauge|4ft8.5in}} | website = [http://www.tfl.gov.uk/ tfl.gov.uk] | map_name = [[Transport for London]] rail&nbsp;lines | map = {{London rail lines}} | map_state = collapsed }} The '''Baker Street & Waterloo line''', otherwise known as simply the '''Baker & Waterloo line''' or '''Bakerloo line''' ({{IPAc-en|ˌ|b|eɪ|k|ər|ˈ|l|uː}}), is a line of the [[London Underground]]. It is coloured brown on the [[Tube map]]. It runs partly on the surface and partly at deep level, from [[Elephant & Castle tube station|Elephant & Castle]] in south-east to Wealdstone in north-west of London. The lines serves 25 stations of which 15 are underground. The line is around {{convert|14.4|mi}} long. The line gets its name because it goes through the