(a) Funeral processions have the right-of-way at intersections when vehicles comprising such procession have their headlights lighted, subject to the following conditions and exceptions:
(1) Operators of vehicles in a funeral procession shall yield the right-of-way when directed to do so by a traffic officer;
(2) Operators of vehicles in a funeral procession shall yield the right-of-way upon the approach of an authorized emergency vehicle giving an audible or visible signal;
(3) The operator of the leading vehicle in a funeral procession shall comply with stop signs and traffic control signals but when the leading vehicle has proceeded across an intersection in accordance with such signal or after stopping as required by the stop sign, all vehicles in such procession may proceed without stopping.
(b) The operator of a vehicle not in the funeral procession shall not drive his vehicle in the funeral procession or between the vehicles comprising such funeral procession except when authorized to do so by a traffic officer or when such vehicle is an authorized emergency vehicle giving audible or visible signal.
(c) Operators of vehicles not a part of a funeral procession may not forge a procession or convoy and have their headlights lighted for the purpose of securing the right-of- way granted by this Section to funeral processions.
(d) The operator of a vehicle not in a funeral procession may overtake and pass the vehicles in such procession if such overtaking and passing can be accomplished without causing a traffic hazard or interfering with such procession.
(e) The lead vehicle in the funeral procession may be equipped with a flashing amber light which may be used only when such vehicle is used as a lead vehicle in such procession. Vehicles comprising a funeral procession may utilize funeral pennants or flags or windshield stickers to identify the individual vehicles in such a procession.
(f) Each driver in a funeral procession shall drive as near to the right hand edge of the roadway as practical and shall follow the vehicle ahead as close as is practical and safe. (1963 Code §§ 20.333, 20.334, 20.335)