The Central London Railway, also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900. The CLR's tunnels and stations form the central section of what
Oxford Circus station, an example of the Harry Bell Measures design used for the CLR's stations
The Great Northern, Piccadilly and Brompton Railway, also known as the Piccadilly tube, was a railway company established in 1902 that constructed a deep-level underground "tube" railway in London, En
Central London Railway
…Kensington Gore and Knightsbridge. Stations were to be constructed at the Royal Albert Hall and the junction of Knightsbridge and Sloane Street, where the Brompton & Piccadilly Circus Railway (B&PCR) already had permission to build a station. From Sloane Street, the CLR's proposed route ran below that approved for the B&PCR under the eastern…
Financier Charles Yerkes' consortium bought the DR, the B&PCR, and the GN&SR in 1901.
Russell Square station, an example of the Leslie Green design used for the GNP&BR's stations
Newspaper advertisement for the opening of the Piccadilly Tube
Pamphlet promoting the line from 1906