Station lines of The London Underground Map
The Evening News London "Tube Map," a compact atlas, was ordered by the newspaper in 1907. It was the first map to utilise a different colour for each line and to display all of the lines equally weighted against one another.
The Underground Electric Railways Company of London (UERL) and four other underground train firms collaborated on the publication of another early united map in 1908, using the "Underground" name as a shared advertising element. Eight routes were shown on the map, four of which were run by the URL and one by each of the other four companies:
- Brown - Bakerloo Railway
- Indigo - Hampstead Railway
- Yellow - Piccadilly Railway
- Green - District Railway
- Blue - Central London Railway
- Black - City and South London Railway
- Orange - Great Northern and City Railway
- Red - Metropolitan Railway
A geographical map had limitations because it couldn't show enough detail in the densely populated centre of the map without omitting the District and Metropolitan lines' extremities.
As a result, a complete network diagram wasn't given. Truncation was an issue that persisted for about 50 years. The Metropolitan line beyond Rickmansworth did not appear until 1938, and the eastern end of the District line did not appear until the mid-1950s, even though all of the western branches of the District and Piccadilly lines were first included in 1933 with Harry Beck's first proper Tube map.
The route map was still being created and published until 1920, when, for the first time, the geographic backdrop information was removed from a map created by MacDonald Gill. As a result, the design was more flexible in how lines and stations might be placed. Although the routes took on a more stylised appearance, the layout mostly remained geographical. The last geographic map before Beck's diagrammatic map was introduced was the 1932 edition.