It shall be the duty of the Police Department to enforce the traffic regulations of this city and all of the state vehicle laws applicable to street traffic in this city, to make arrests for traffic violations, to investigate accidents, to cooperate with other officers of the city in the administration of the traffic laws in developing ways and means to improve traffic conditions and to carry out those duties specially imposed upon the Department by this title and the traffic ordinances of this city.
(Prior Code, § 17-55)