Who designed the London Underground tube map? When was it created? Why were those specific lines and colours chosen for each line? - Quora
![Map; unissued poster Underground map with experimental colour changes, 1990 | London Transport Museum Map; unissued poster Underground map with experimental colour changes, 1990 | London Transport Museum](https://www.ltmuseum.co.uk/system/files/styles/collection_item_component_600_px_wide/private/collection_item/i0000d08.jpg?itok=aWup7uBa)
Map; unissued poster Underground map with experimental colour changes, 1990 | London Transport Museum
![London Tube map with Overground services divided into different colours (link to high quality map in comments) : r/TransitDiagrams London Tube map with Overground services divided into different colours (link to high quality map in comments) : r/TransitDiagrams](https://i.redd.it/nibhz7ki8xda1.jpg)
London Tube map with Overground services divided into different colours (link to high quality map in comments) : r/TransitDiagrams
![London Underground Map style used to create an illustration of a person! (personal experiment, I'm aware that the colours don't correspond with how the actual tube lines are drawn on the tfl London Underground Map style used to create an illustration of a person! (personal experiment, I'm aware that the colours don't correspond with how the actual tube lines are drawn on the tfl](https://preview.redd.it/london-underground-map-style-used-to-create-an-illustration-v0-1celyitm62wa1.png?auto=webp&s=aecfaf01b77ffc3d04361d7f3025a04b52d5c933)