Except for persons having business directly related to the Administration, or unless otherwise authorized, a person may not park or otherwise place any of the following type vehicles upon MTA parking lots:
A. A trailer or towed vehicle;
B. A truck having a manufacturer's rated carrying capacity greater than 1 ton;
C. A vehicle with a gross weight greater than 8,000 pounds;
D. A vehicle having an overall length more than 20 feet including any load on it;
E. A vehicle wider than 8 feet;
F. A bus.