Pursuant to California Vehicle Code Sections 22357 and 22358, where it is determined upon the basis of an engineering and traffic survey investigation, the City Council may increase or decrease state speed limits. Said altered speed limits shall be effective, upon installation by the City Engineer, of appropriate traffic control devices giving notice thereof. Designated speed limits shall be listed in a Schedule X of a register maintained in the offices of the City Engineer. (Ord. 2670, 1996; Ord. 973 § 1, 1966; prior code § 19.19.2).