1889(01 of27)
Open Image ModalEarly Tube maps were simply geographical versions with the lines overlaid. This shows the District Railway and the Metropolitan Lines and the Circle Line which joined the two in 1884. (credit:Transport for London)
1908(02 of27)
Open Image ModalAn early example of 'UndergrounD' logo. (credit:London Transport Museum)
1921(03 of27)
Open Image ModalThis map shows interchanges as white dots and discarded all detail other than the lines. (credit:London Transport Museum)
1933(04 of27)
Open Image Modal1933 saw the first example of Harry Beck's schematic maps, created in an attempt to make them more readable. The move marked a turning point in their design. (credit:London Transport Museum)
1937 (05 of27)
Open Image ModalThis pre-war version shows areas of interest such as galleries and cathedrals. (credit:London Transport Museum)
1937(06 of27)
Open Image Modal (credit:London Transport Museum)
1936(07 of27)
Open Image ModalThe words 'London' and 'Transport' added to the logo. (credit:London Transport Museum)
1943(08 of27)
Open Image ModalEvidence of Beck attempting to limit the use of diagonal lines in his designs. (credit:London Transport Museum)
1948(09 of27)
Open Image Modal (credit:London Transport Museum)
1951(10 of27)
Open Image ModalThis version was adjusted so that Richmond was placed next to the Thames unlike previous maps. (credit:London Transport Museum)
1958(11 of27)
Open Image ModalThe bends of the River Thames become more pronounced, reflecting the format of the lines. (credit:London Transport Museum)
1963(12 of27)
Open Image ModalThe Underground's Publicity Officer, Harold F Hutchinson, took over design duties for this version but it's cluttered look did not go down well. (credit:London Transport Museum)
1964(13 of27)
Open Image ModalPaul E. Garbutt's design allowed for bends in the lines to create space for station names. (credit:London Transport Museum)
1970(14 of27)
Open Image ModalThe more familiar 'Underground' logo appears with evenly sized characters. (credit:London Transport Museum)
1974(15 of27)
Open Image ModalThe Victoria line all the way to Brixton appears. (credit:London Transport Museum)
1977(16 of27)
Open Image ModalOne of the last pre-Jubilee Line era maps. (credit:London Transport Museum)
1986(17 of27)
Open Image ModalThe original Charing Cross station is renamed Embankment. (credit:London Transport Museum)
1987(18 of27)
Open Image Modal (credit:London Transport Museum)
1990(19 of27)
Open Image ModalJubilee line extensions added (credit:London Transport Museum)
1994(20 of27)
Open Image Modal (credit:London Transport Museum)
1998(21 of27)
Open Image ModalZonal areas introduced on the maps. (credit:London Transport Museum)
1999 March(22 of27)
Open Image Modal (credit:London Transport Museum)
1999 December(23 of27)
Open Image Modal (credit:London Transport Museum)
2010(24 of27)
Open Image Modal (credit:London Transport Museum)
2012(25 of27)
Open Image Modalthe 150th anniversary edition. (credit:TfL)
2016(26 of27)
Open Image ModalWhat we're familiar with today. (credit:TfL)
The vision for 2019(27 of27)
Open Image Modal (credit:TfL)