8-2-3: AUTHORITY OF POLICE AND FIRE DEPARTMENT OFFICIALS:
   A.   Enforcement Of Traffic 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 City and all the State vehicle laws applicable to street traffic in the City.
   B.   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, or signal in conformity with traffic laws; provided, that in the event fire or other emergency or to expedite traffic or to safeguard pedestrians, officers of the Police Department may direct traffic as conditions require, notwithstanding the revisions of the traffic laws.
   C.   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. (1975 Code § 8-2-3)