Admittedly have not read every post in the thread, but I can relate my experience from Saturday. I went to the game by myself and decided to wander around the ground level to stay out of the misty rain for as long as possible. I stopped at the tunnel for a few minutes as the players and band passed through. They kept the gates closed for more than 25 minutes, not allowing the students to pass from the student gate through to the west side of the stadium. I imagine (because I couldn't see that far) that they were backed up all the way to the gate, approximately 1/4 the entire circumference of the stadium. The students were beginning to get rowdy and nobody seemed to care. Nobody appeared to have control. They finally opened it about 2 plays prior to the first score. I had to jump out of the way so as to not be trampled. I got to my seat about 5 minutes into the first quarter.
So, I arrived at the tunnel (inside the stadium) 25 minutes before kickoff and got to my seat 5 minutes into the game. Granted, I could have fought the crowd and gone back to the east, but by the time I realized what was happening, it wasn't worth the hassle.