I fully understand the need for the gates to slow traffic etc but why are card readers and cards even needed? Just have the gates open and close just as the exit gates do or as they do now when a car approaches. It will serve the exact same purpose and any specific raise/lower time delay can be set in it to slow down traffic when a car approaches.
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"I think the scariest person in the world is the person with no sense of humor."
Michael J. Fox
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