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 street 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 traffic accidents and to cooperate with the 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 the Division by this Title.