The vice president of administrative services or designee is authorized to erect signs, barricades and other structures and to paint marks or other directions upon the entrances and streets on campus and upon the various parking lots owned or operated by the college. Such signs, barricades, structures, markings, and directions shall be so made and placed to best effectuate the rules and regulations contained in this chapter. Drivers of vehicles shall observe and obey the signs, barricades, structures, markings and directions erected pursuant to this section. Drivers shall also comply with the directions given them by campus security officers in the control and regulation of traffic.