Why Did It Take 13 Years To Build The Elizabeth Line?

Crossrail is Europe's biggest engineering project, a new train line linking east and west London that was meant to open in December in 2018, but it is years behind schedule, billions over budget and dogged by all kinds of problems. This documentary tracks the troubled project from the very beginning, featuring interviews with former workers, politicians and transport experts, as well as people who were promised that Crossrail would bring huge benefits.
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