See.. that what I call realism of the Sim . Just like in real life , they get stuck from time to time LOL . make sure all the content has been updated and changes submitted . See if that fixes you problem . Did with mine .
Matt
In real life they should be doing what his is doing. the fist gate that you come to goes down first, followed by the gate on the other side of the tracks, this allows for anyone currently on the tracks when the gates start going down to get off the tracks. If they all went down at the same time, you could get trapped on the wrong side of the gates.
peter