Lol, that's not what you said. What you said was that towns between Route 91 and stores "would not allow traffic". So I was wondering just how you believe they would stop that?
It now appears that you believe towns will deny their municipal police forces the ability to pick up a lucrative overtime gig paid for by the state? Lol, highly unlikely, my friend, and if they did, other towns police would just get the gig. In any event, the only place that would likely be needed is in the immediate vicinity of Storrs.
It also sounds like you've never actually been to a football game, because if you had, you'd probably be at least vaguely familiar with the concept of "tailgating" and the fact that fans arrive Starting hours before the start of the game and leave up to hours afterwards. That naturally feathers the traffic is the way virtually every football playing college manages traffic across America.
Or, maybe you are familiar with tailgating and are just being disingenuous? It's either one or the other though.