2011 Utah Code
Title 41 Motor Vehicles
Chapter 6a Traffic Code
Section 1114 Bicycles -- Lamps and reflective material required.

41-6a-1114. Bicycles -- Lamps and reflective material required.
(1) Every bicycle in use at the times described in Section 41-6a-1603 shall be equipped with a:
(a) lamp of a type approved by the department which is on the front emitting a white light visible from a distance of at least 500 feet to the front; and
(b) (i) red reflector of a type approved by the department which is visible for 500 feet to the rear when directly in front of lawful lower beams of head lamps on a motor vehicle; or
(ii) red taillight designed for use on a bicycle and emitting flashing or nonflashing light visible from a distance of 500 feet to the rear.
(2) Every bicycle when in use at the times described in Section 41-6a-1603 shall be equipped with:
(a) reflective material of sufficient size and reflectivity to be visible from both sides for 500 feet when directly in front of lawful lower beams of head lamps on a motor vehicle; or
(b) in lieu of reflective material, a lighted lamp visible from both sides from a distance of at least 500 feet.
(3) A bicycle or its rider may be equipped with lights or reflectors in addition to those required by Subsections (1) and (2).