No person or persons shall occupy a trailer, semitrailer, farm wagon, or any other vehicle while it is being towed upon a public highway, unless:
(A) The occupancy of the towed vehicle is necessary to avoid an imminent threat to a person's safety due to extreme weather conditions or another emergency situation;
(B) The speed of the vehicle does not exceed 15 miles per hour and the vehicle is used in connection with a parade, farming-related activity, or similar activity; or
(C) The speed of the vehicle does not exceed 15 miles per hour and the passenger is over the age of 18.
(ILCS Ch. 625, Act 5, § 11-1408) Penalty, see § 70.99