Fla. Stat. § 334.352

A local governmental entity may not prevent public motor vehicle use on or access to an existing transportation facility or transportation corridor as defined in s. 334.03 if that transportation facility or transportation corridor is the only point, or one of only two points, of ingress to and egress from a state university as defined in s. 1000.21. This section does not apply when a law enforcement agency prevents use or access to a facility or corridor in an emergency situation or to a temporary closure of a facility or corridor, if necessary, for road maintenance or repair.