No person shall operate or drive any vehicle or bicycle within any park or playground within the city at a greater speed than twenty-five miles per hour. Whenever it appears appropriate, reasonable and necessary, this maximum speed limit may be reduced on any park road, or portion thereof, pursuant to the provisions of and in the manner provided by the Vehicle Code.
(Res. No. 19 93-94 §7 (part)) (Res. No. 31-13 §36)