The Lincoln Park Board of Education shall cause appropriate signs to be posted on school property, wherever it deems such signs necessary, designating any roadway, alley, street, thoroughfare or parking area on such property to be a one-way street, alley, roadway or thoroughfare. No person shall move or cause any vehicle to be moved or parked or stand any vehicle in any direction different from that indicated on any such street, alley, roadway, parking area or thoroughfare so designated for one-way traffic.
(1979 Code Sec. 10.63.020)