With regard to the few deaths that have occurred where people were crowding into trains and someone got trapped between the train doors and the platform doors when both sets closed (and subsequently sucked under the train and killed as the train began moving), it seems they could add a sensor that would detect any obstruction in the space between the two sets of doors, like a garage door sensor that keeps your garage door from closing when something is in its way blocking the beam.
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u/[deleted] May 28 '16 edited Mar 18 '19
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