It shall be the duty of the Chief of Police and deputies to enforce the street traffic regulations of this city and all of the state laws, make arrests for traffic violations, investigate accidents, cooperate with official(s) of the city in the administration of the traffic laws and in developing ways to improve traffic conditions, and carry out those duties specially imposed upon the Chief of Police and deputies by the traffic ordinances of this city.
(1998 Code, § 8-45)