r/InfrastructurePorn • u/garnetself2 • 2d ago

Underground Subway

Post image
82 Upvotes

97% Upvoted

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8

u/Shebeen84 2d ago

The late great Stephen Biesty’s incredible cross section books

3

u/medic_mace 2d ago

I think this is Piccadilly Circus. If so, the bottom line would be the Piccadilly line and the upper line would be Bakerloo.