London Underground area, published by National Rail and Transport for London, includes suburban railway services. The tube map came second in a BBC and London Transport Museum poll asking for a favourite UK design icon of the 20th century and the underground's 150th anniversary was celebrated by a Google Doodle on the search engine. While the first use of a roundel in a London transport context was the trademark of the London General Omnibus Company registered in 1905, it was first used on the Underground in 1908 when the UERL placed a solid red circle behind station nameboards on platforms to highlight
Transport in London today. Transport for London operates three different railway systems across London. The largest is the London Underground, a rapid transit system operating on sub-surface lines and in deep-level "tube" lines. TfL also operates the Docklands Light Railway (DLR), an automated light rail system in the east of the city, and the Tramlink system. The London Underground and the DLR account for 40 percent of the journeys between Inner London and Outer London, making them the most highly used systems in all of London. These three systems extend to most points of London, creating a comprehensive and extensive system. One major