Jolyon Jenkins investigates the Moorgate tube crash of 1975, which remains the worst accident on the London Underground.
In February 1975 a London Underground driver drove his train at full speed into a brick wall at Moorgate station in central London. 43 people died, in what remains the worst ever accident on the Underground. There was nothing wrong with the train, so why did he do it? Could it have been suicide? Or did he just get confused about where he was?
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