Prima facie speed limits shall be determined by the public works director or their designee(s) pursuant to provisions set forth in the California Vehicle Code. A speed limit established pursuant to this section shall be effective when appropriate signs giving notice thereof are erected upon a street. (Ord. 1628 § 39, 2016: Ord. 1436 § 1, 2003: Ord. 1011 § 1, 1984: prior code § 3215)