Underground Map of London. Tube network map 1915 old antique plan chart'Underground Map of London' Paper geographic style Underground map. Shows all the Underground lines belonging to the Underground Group with the addition of the Metropolitan Railway. Most of the lines are shown in their entirety. Stations beyond the boundaries of the map are indicated in boxes at the end of the lines. All lines are drawn in green and are not indentified individually, except the Metropolitan Railway which is pink and the East London