Police and fire officials' traffic powers

(a) It shall be the duty of the officers of the police department or such officers as are assigned by the chief of police to enforce this traffic code and all of the State vehicle laws applicable to street traffic in the city. (b) Officers of the police department or such officers as are assigned by the chief of police are authorized to direct all traffic by voice, hand, or signal in conformance with this traffic code; provided that in the event of a fire or other emergency or to expedite traffic or to safeguard pedestrians, officers of the police department may direct traffic as conditions may require notwithstanding the provisions herein. (c) Officers of the police department are authorized to display portable signs within certain intersections forbidding vehicle drivers to perform specific maneuvers. Such portable signs shall only be displayed at a specified intersection during times of traffic congestion when, in the opinion of the chief of police, such restrictions are necessary to expedite the movement of traffic through the intersection. (d) Officers of the fire department, when at the scene of a fire, may direct or assist the police in directing traffic thereat or in the immediate vicinity. (e) Police officers of the Honolulu police department shall be exempt from payment of fees for parking meters and from time parking restrictions while in the performance of their duty. This exemption shall also apply to employees of the Honolulu police department while attending court in their official capacity. )