The prima facie speed limit on Sweetwater Road (County Roads G 60 and D 23) between the easterly limit of National city and the southerly line of County Road D 60, known as South Bay Freeway, is hereby decreased to and established at 45 miles per hour.
(Added by Ord. No. 2710 (N.S.), effective 8-6-64; amended by Ord. No. 2828 (N.S.), effective 6-10-65; amended by Ord. No. 3263 (N.S.), effective 12-12-68)