Behind the scenes on the nearly-ready Crossrail project

The Crossrail project is entering its final stage. It has been delayed several times and is over budget, but the new line is finally due to open within the next few months.

"Trial operations" have been carried out and more than 150 scenarios are being tested, including evacuations.

Join BBC London's transport correspondent Tom Edwards on one such exercise.

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Section
BBC News
Subsection
London