2014
TQ2178 : District Line approaching Turnham Green
taken 10 years ago, near to Chiswick, Hounslow, England
District Line approaching Turnham Green
London Underground
The London Underground system is also known as the "Tube". It is the oldest underground system in the world, the first section dating from 1863. The present system has over 250 miles of track and 272 stations. There are 11 lines covering Greater London, Essex, Buckinghamshire & Hertfordshire. Nearly half the system is above ground.
Wikipedia: Link
Transport for London: Link