Though the concept isn't entirely novel (others have made the most of TfL's open data to create their own before now), ...

This paved the way for the first London Tube map as we know it to be produced in 1908. The map included the Great Northern, Piccadilly and Brompton Railway – now the Piccadilly line – which ...

Map of the Central line in 1912 (Image: TfL Corporate Archives) Two years later, the Underground Electric Railway Company of ...

Operating like a London tube, the train would connect the European countries ... and manufacturing components. A map for the trainline shows it would stop in London, Liverpool, Belfast and ...

Opening five years after the first Tube services of the Metropolitan Railway, the line was built by the Metropolitan District Railway. The tunnels were made by digging a long trench, laying track and ...

The Metropolitan line is the oldest underground railway in the world ... Over the coming weeks, we’ll be using maps to tell you the story of each of London’s Tube lines. The images used in this story ...