Underground london

The London Underground is a rapid transit system serving Greater London and some parts of the adjacent counties of Buckinghamshire, Essex and Hertfordshire in the United Kingdom. The Underground has its origins in the Metropolitan Railway, the world's first underground passenger railway.

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Popart painting of a London Underground sign on white background

Stations - London underground station signs by What has been seen, cannot be unseen!, via Flickr

The Tube map is a schematic transit map representing the lines and station of London’s rapid transit railway systems, namely the London Underground (commonly known as the Tube, hence the name…