305.02 NINETY-DAY LIMITATION OF RULES.
    (a)    The City Manager, upon the recommendation of the City Engineer and the Chief of Police, is hereby authorized and empowered to adopt, for a period not to exceed ninety days, the following rules:
       (1)    The number, type and location of traffic-control devices and signs;
       (2)    The regulation or prohibition of parking on streets, alleys, highways or public property;
      (3)    The regulation of the right of way at intersections of streets, alleys and highways;
       (4)    The regulation or prohibition of turns at intersections;
       (5)    The creation, abolition and regulation of through routes and truck routes;
      (6)    The creation, abolition and regulation of pedestrian crosswalk and safety zones;
       (7)    The creation, abolition and regulation of bus loading and unloading zones and business loading zones;
      (8)    The creation, abolition and regulation of traffic lanes and passing zones;
       (9)    The regulation of the direction on streets, alleys and highways and the creation and abolition of one-way streets;
      (10)    Such other subjects as may be provided by ordinance, which shall not be limited by the specific enumeration of subjects by this section.
   (b)    Such rules shall be issued in the manner and subject to the conditions and limitations as prescribed by ordinance of Council.
   (c)    Copies of such rules, when certified by the City Manager, shall be competent evidence in all courts.
   (d)    Any violation of the rules prescribed is unlawful and the violator of such rules, after the proper installation of such signs or other devices, shall be deemed guilty of a misdemeanor which shall be classified as provided in Section 303.99.