There is established in the police department of this city a traffic division to be under the control of an officer of police appointed and directly responsible to the chief of police.
(Prior code § 6111)
It shall be the duty of the traffic division, with such aid as may be rendered by other members of the police department, to enforce the traffic regulations of this city and all of the state vehicle laws applicable to traffic in this city, to make arrests for traffic violations, to investigate traffic accidents, and to cooperate with the city traffic engineer and other officers of the city in the administration of the traffic laws and in developing ways and means to improve traffic conditions, and to carry out those duties specially imposed upon said division by this chapter and the traffic ordinances of this city.
(Prior code § 6112)
Whenever the accidents at a particular location become numerous, the traffic division shall cooperate with the city traffic engineer in conducting studies of such accidents and determining remedial measures.
(Prior code § 6113)
The traffic division shall maintain a suitable system of filing traffic accident reports. Accident reports or cards referring to them shall be filed alphabetically by location. Such reports shall be available for the use and information of the city traffic engineer.
(Prior code § 6114)
The traffic division shall annually prepare a traffic report which shall be filed with the city council. 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 recommendation of the division for future traffic safety activities.
(Prior code § 6115)
The office of the city traffic engineer is established. The city engineer of this city shall serve as city traffic engineer in addition to his other functions and shall exercise the powers and duties with respect to traffic as provided in this chapter.
(Prior code § 6116)
It shall be the general duty of the city traffic engineer to determine the installation and proper timing and maintenance to traffic control devices and signals, to conduct engineering analyses of traffic accidents, and to devise remedial measures; to conduct engineering and traffic 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 the ordinances of this city.
(Prior code § 6117)