The City Engineer is authorized and required to make the appropriate engineering and traffic investigation, which is the basis for the current prima facie speed zones as, specified in Section 10.36.030. This type of study shall be maintained current and updated every five years, except to the extent that the validity of such study may be otherwise lawfully extended.
(Prior code § 3164; 564 § 1, 1962; 654 § 1, 1963; 673 § 1, 1963; 695 § 1, 1963; 799 § 1, 1965; 824 § 1, 1965; 895 § 1, 1967; 943 § 1, 1967; 985 § 1, 1968; 1156 § 1, 1970; 1183 § 1, 1971; 1219 § 1, 1971; 1228 § 1, 1971; 1304 § 1, 1972; 1397 §§ 1,2, 1974; 1514 § 1, 1976; 1544 § 1, 1976; 1802 § 1, 1982; 1881 § 1, 1984; 2196 § 1, 1991; 2360 § 1, 1996; 2423 § 1, 1998; 2463 § 1, 1999; 2555 § 1, 2001; 2634 § 1, 2004; 2776 § 1, 2010; 2804 § 1, 2011; 2851 § 1, 2014; 2804 § 1, 2021)