I am not clear what purpose the exit gates serve. TV is not a gated community in the truest sense in that anyone can enter just about any gate I have been through, staffed or not. There may be a few exceptions. Therefore, why have exit gates, or perhaps simply leave them up unless special conditions call for them to be lowered. For instance if a security situation rises. If the concern is that an open exit gate will not slow down departing traffic, put small speedbumps there. I have worked at a number of locations with large numbers of entrance and exit gates (like huge seaports). When they can, the gates are left up to reduce the number of cycles and prolong the life of the mechanisms. Entrance gates are almost always left down but these are highly restricted areas.
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