What Is The Blue Tube Line In London?
Piccadilly line. The Piccadilly line is a deep-level London Underground line running from the north to the west of London. It has two branches, which split at Acton Town, and serves 53 stations. Piccadilly line Colour on map Dark blue Website tfl.gov.uk/tube/route/piccadilly/ Service Type Rapid transit What is the blue line on the London Underground? …