(1) The institutions may erect permanent or temporary signs, barricades, and other structures, and paint marks and other directions upon the streets and parking areas within the campus. Drivers of vehicles shall obey the signs, barricades, structures, markings, and directions. Drivers of vehicles shall comply with directions given to them by commuter services employees, campus facilities employees, campus safety officers, or authorized commuter services contractors in the control and regulation of traffic. Drivers shall also comply with directions given to them by commuter services employees, campus safety officers, or authorized commuter services contractors in the assignment of parking space and in the collection of parking fees.

(2) No person without authorization from the institutions shall move, deface, or in any way change a sign, barricade, structure, marking, or direction that regulates traffic or parking.