ryanovereem: A collection of underground maps… Rad. All maps via DailyMail
Vintage London Transport Museum poster: Timetable for the Metropolitan Railway. Price: one penny.
Posters Uk, Railway Posters, Retro Posters, Poster Vintage, Vintage Travel Posters, Vintage Postcards, Vintage Art, Vintage Graphic, British Travel
The Tube map, 1937 (posted by Handpicked London)
tube map lines - strong contrast and definition for colour coding