Seems many forget or decide not to read through all the info on the website. This always seems to be something that catches people off guard and then accusations of unlawfully detaining people ridiculously get thrown around.
"PLEASE NOTE: For the safety of pedestrians, RV's are not permitted to enter after 9pm on show days.* RVs are not permitted to exit* between the hours of 9pm and 1:00am Friday - Sunday. Once you exit the RV area you will not be allowed back. There are no RV in/out privileges."