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 area missed by these systems is South London, which is dominated by a large suburban rail network. Colloquially known as the Tube, the London Underground was the first rapid transit system in the world, having begun operations in 1863. More than 3 million passengers travel on the Underground every day, amounting to over 1 billion passenger journeys per year for the first time in 2006. The Underground has 11 lines, most of which connect the suburbs to Central London and together form a dense network in central London, linking major railway stations, central business areas and icons. The Underground serves