Channel 5 - Inside the Tube Going Underground (2017) Part 2 Central Line The Busiest Line in Britain

Inside The Tube Going Underground

Granted special access to the secret workings of the Tube, and with the aid of the London Underground staff who know it best, engineer Rob Bell discovers the fascinating hidden history of how London's iconic metro was built.

Part 2 Central Line The Busiest Line in Britain

The Central Line is the artery that travels across the heart of London. At 46 miles, it is the longest of all tube lines. But as Rob discovers, it is a line constantly battling its Victorian legacy.

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