Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Transport for London: London Underground, The Tube Official information about this mass transit rail system in London. Features news, maps, a journey planner, and tourist information (in several languages). The "company information" section includes a history of the Underground (including its use as an air raid shelter during World War II) and of the design of the Underground map. Also includes links to other modes of London transportation. http://www.tfl.gov.uk/tube/ Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *