SkyTrain!
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Uploader Comments (trainman1971)
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All Comments (3)
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The same way elevators know when to close the doors.They just do it, if you're in the way, the doors open again.
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If it's 100% automated, how does it know when to close the doors?
LIRR175 5 months ago
@LIRR175 All timed by computer. If you miss a train, it's 2 to 4 minutes till the next one.
trainman1971 5 months ago