Transport for London is a local government body responsible for most of the transport network in London, United Kingdom.
The Palestra building, home to TfL's Surface Transport and Traffic Operations Centre (STTOC)
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
The name "Tube" comes from the circular tube-like tunnels through which the small-profile (deep tube) trains travel. Northern line 1995 Stock train approaching Hendon Central.
A sub-surface Metropolitan line S8 Stock train at Amersham
Sign on wall beside Marylebone Road beyond station entrance
The Metropolitan Railway opened in 1863 using GWR broad-gauge locomotives.