A. Enforce State And City Laws: 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 all street traffic laws of the State and the City.
B. Officers To Direct Traffic: Officers of the Police Department or such officers as are assigned by the Chief of Police are hereby authorized to direct all traffic by voice, hand or signal; 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.
C. Fire Department Authority At Scene Of Fire: 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. (1980 Code § 10.3.1)