Sec. 18-125. When lights to be lighted; number of lights to 
be lighted at any time; use of warning lights.[264]
(a) Every vehicle upon a street within this city shall display 
lighted lamps and illuminating devices as required by 
this article from a half hour after sunset to a half hour before 
sunrise and at any other time when, due to insufficient 
light or unfavorable atmospheric conditions, persons or vehicles 
on the streets are not clearly discernible at a distance 
of five hundred feet.
(b) Not more than four lamps used to provide general 
illumination ahead of the vehicle, including at least two head 
lamps and any other combination of fog lamps, passing lamps, 
driving lamp or other auxiliary lamp approved by the superintendent 
shall be lighted at any time; provided, that this 
limitation shall not preclude the display of such warning 
lights as may be authorized in section 18-124, nor such lights 
as may be authorized by the superintendent for purposes of 
identification, other than warning lights.
(c) Vehicles equipped with warning lights authorized in 
section 18-124 shall display such lights at all times when engaged 
in emergency calls, and if engaged in towing disabled 
vehicles or in constructing, repairing and maintaining public 
highways or utilities on or along public highways, such lights 
shall be displayed during the periods prescribed in subsection 
(a) of this section. (Code 1959, § 18-125; 6-21-65, § 19.)