It shall be the duty of the chief of police to conduct analysis of traffic accidents and to devise remedial measures, to conduct investigations of traffic conditions and to cooperate with other city officials in the development of ways and means to improve traffic conditions, and to carry out the additional powers and duties imposed by this chapter and other traffic ordinances.
(1965 Code, sec. 21-2)
The chief of police is hereby empowered to make regulations necessary to make effective the provisions of this chapter and other traffic ordinances and to make and enforce temporary or experimental regulations to cover emergencies or special conditions. No such temporary or experimental regulation shall remain in effect for more than ninety (90) days, nor shall it be effective until approved by the city council.
(1965 Code, sec. 21-3)
It shall be the duty of the officers of the police department or such officers as are assigned by the chief of police to enforce all street traffic laws of this city and all of the state vehicle laws applicable to street traffic in this city.
(1965 Code, sec. 21-4)
Officers of the police department or such officers as are assigned by the chief of police are hereby authorized to direct all traffic by voice, hand, or signal in conformance with traffic laws. In the event of fire or other emergency or to expedite traffic or to safeguard pedestrians, officers of the police department may direct traffic as conditions may require notwithstanding the provisions of the traffic laws.
(1965 Code, sec. 21-5)
Officers of the fire department, when at the scene of a fire, may direct or assist the police in directing traffic thereat or in the immediate vicinity.
(1965 Code, sec. 21-6)
No person shall board or alight from any vehicle while such vehicle is in motion.
(1965 Code, sec. 21-11)
No person upon roller skates, or riding in or by means of any coaster, toy vehicle or similar device shall go upon any roadway except while crossing a street on a crosswalk, and when so crossing such person shall be granted all of the rights and shall be subject to all of the duties applicable to pedestrians.
(1965 Code, sec. 21-13)
The police department shall annually prepare a traffic report which shall be filed with the city secretary. Such report shall contain information on traffic matters in the city as follows:
(1) 
The number of traffic accidents, the number of persons killed, the number of persons injured, and other pertinent traffic accident data;
(2) 
The number of traffic accidents investigated and other pertinent data on the safety activities of the police;
(3) 
The plans and recommendations of the department for future traffic safety activities.
(1965 Code, sec. 21-20)
The police department shall maintain a suitable record of all traffic accidents, arrests, convictions and complaints reported for each driver, which shall be filed alphabetically under the name of the driver concerned. Such records shall accumulate during at least a five-year period and from that time on such records shall be maintained complete for at least the most recent five-year period.
(1965 Code, sec. 21-22)