London Underground Map

The London Underground, commonly known as the Tube, is the oldest and one of the most extensive rapid transit systems in the world. It serves London and parts of the adjacent counties of Buckinghamshire, Essex, and Hertfordshire. The network consists of 11 lines: Bakerloo, Central, Circle, District, Hammersmith & City, Jubilee, Metropolitan, Northern, Piccadilly, Victoria, and Waterloo & City. The first section opened in 1863, making it the world's first underground railway. As of 2023, the network spans approximately 402 kilometers with 272 stations and serves about 5 million passengers daily.