Recently my family and I went to see the prophet of the Church of Jesus Christ of Latter-day Saints speak at that Stadium it was a capacity crowd and we were told that there were more people and cars parked in the parking lot then ever before so it was record-setting. We did not have an RV but we did see others that were Towing trailers and we're parked in that parking area. I would say though that it is venue specific. I would suggest calling someone that manages that venue and ask them.
I would say that won't be a problem, I drive often by the stadium and they often have RV shows going on. Normally they park them outside the stadium about 300 feet from the actual stadium, same place where they have tail gating during games. You could give them a call just to make sure
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