It shall be the duty of the Police Department to investigate traffic accidents, to arrest and to assist in the prosecution of those persons charged with violations of law causing or contributing to such accidents.
The Police Department shall maintain a suitable system of filing traffic accident reports. Such reports shall be available for the use and information of the City Traffic Engineer.
The office of City Traffic Engineer is established. The City Engineer or other designated City Official shall serve as City Traffic Engineer in addition to his/her other functions and shall exercise the powers and duties with respect to traffic as provided in this Title.
The City Traffic Engineer shall determine the installation and proper timing and maintenance of traffic control devices, conduct engineering analyses of traffic accidents and devise remedial measures, conduct engineering investigation of traffic conditions, plan the operation of traffic on the streets and highways of the City, and cooperate with other City Officials in the development of ways and means to improve traffic conditions, and carry out the additional powers and duties imposed by ordinances of the City.
The Chief of Police by and with the approval of the City Traffic Engineer is hereby empowered to make regulations necessary to make effective the provisions of the traffic ordinances of the City 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.
The City Traffic Engineer may test traffic control devices under actual conditions of traffic.