This comprehensive guide provides an in-depth look at the London Underground, the world's oldest and one of the most iconic subway systems. Learn about the history of the Underground, its different lines and stations, and the various services it provides. Discover the best ways to get
From Wikipedia
The London Underground is a rapid transit system serving Greater London and some parts of the adjacent home counties of Buckinghamshire, Essex, and Hertfordshire in England. It is part of the network of transport services managed by Transport for London.