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
London Underground 1915 Stock London Underground 1915 Stock Twenty-four 1915 Tube Stock driving motor cars were built by Brush for the Central London Railway's extension from Wood Lane to Ealing Broadway. No trailer cars were built as part of the stock. The extension was not completed until 1917 and operation did not start until 1920 so the cars were initially transferred to the Bakerloo tube for use on the Watford extension, for which they were fitted with contact shoes for the 4th rail. Once returned to the Central, cars were not compatible with the 1903 tube stock. Because of this the different stock were