They line people at the exit, so it serves as both entrance and exit, and that's why the fire marshal is going to shut it down next year. I wonder if, during this part of the year, it is so they don't have to de-ice the whole l-o-o-o-ong queue (which needs to be cut to about a third its current length anyway). If you've never been through the exit/enter line, that means you haven't been there when they have it open.