Prompted by the accident engineer Edward Tyer developed the tablet system in which a token is given to the train driver; this must be slotted into an electric interlocking device at the other end of the single-track section before another train is allowed to pass.
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The Canoe River train crash in Canada in 1950 also involved two trains, controlled by telegraphed orders, authorized to enter the same single-track section in opposite directions.
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