§ 39-21-26 — Special restrictions on lamps

1. Any lighted lamp or illuminating device on a motor vehicle, other than headlamps, spot
lamps, auxiliary lamps, flashing turn signals, emergency vehicle warning lamps and
schoolbus warning lamps, which projects a beam of light of an intensity greater than
three hundred candlepower must be directed so that no part of the high-intensity
portion of the beam will strike the level of the roadway on which the vehicle stands at a
distance of more than seventy-five feet [22.86 meters] from the vehicle.
2. A person may not drive or move any vehicle or equipment on any highway with a lamp
or device displaying a red or green light visible from directly in front of the center of the
vehicle or equipment. This section does not apply to a vehicle upon which a red light
visible from the front is expressly authorized or required by this chapter.
3. Flashing lights are prohibited except on:
a. An authorized emergency vehicle;
b. A schoolbus;
c. Snow-removal equipment;
d. A vehicle owned by a funeral home, which may display a flashing purple light only
while used for the purpose of escorting a funeral procession; or
e. Any vehicle as a means of indicating a right or left turn, or the presence of a
vehicular traffic hazard requiring unusual care in approaching, overtaking, or
passing.