New Jersey Statutes Title 39. Motor Vehicles and Traffic Regulation 39 § 4-208

The Division of State Police in the Department of Law and Public Safety is authorized and empowered to regulate traffic and the parking of motor vehicles on the grounds, and roadways or highways therein, owned by the State of New Jersey at Trenton, and the board, body or officer in charge and control of any State institution may likewise regulate traffic and the parking of motor vehicles on the grounds of such institution and roadways or highways on such grounds, and for such purpose may adopt, promulgate and enforce rules and regulations to prevent traffic congestion and insure a proper, reasonable, orderly and safe use of said grounds, roadways and highways by motorists.