Bakerloo line

The Bakerloo line (/ˌbeɪkərˈluː/) is a London Underground line which runs between Harrow & Wealdstone in suburban north-west London and Elephant & Castle in south London, via the West End. Printed in brown on the Tube map, it serves 25 stations, 15 of which are underground, over 23.2 kilometres (14.4 mi). It runs partly on the surface and partly through deep-level tube tunnels.

The line's name is a portmanteau of its original name, the Baker Street and Waterloo Railway. From Queen's Park to Harrow & Wealdstone (the section above ground), the line shares tracks with the London Overground Lioness line and runs parallel to the West Coast Main Line. There is, however, a short tunnel at the western end of Kensal Green.