Utah vehicle lighting laws

Below are all relevant excerpts from Utah Vehicle Code that limit, restrict or allow certain aftermarket lights to be installed on vehicles.

41-6a-1616.  High intensity beams — Red or blue lights — Flashing lights — Color of rear lights and reflectors.

[…] (2) (a) Except for an authorized emergency vehicle described in Section 41-6a-1601, a school bus described in Section 41-6a-1302, or a simulated emergency vehicle used in accordance with Section 41-6a-1718, a person may not operate or move any vehicle or equipment on a highway with a lamp or device capable of displaying a red light that is visible from directly in front of the center of the vehicle.
(b) Except for a law enforcement vehicle, or a simulated emergency vehicle used in accordance with Section 41-6a-1718, a person may not operate or move any vehicle or equipment on a highway with a lamp or device capable of displaying a blue light that is visible from directly in front of the center of the vehicle.

(3)    A person may not use flashing lights on a vehicle except for:
(a)    taillights of bicycles described in Section 41-6a-1114;
(b)    authorized emergency vehicles described in Section 41-6a-1601;
(c)    turn signals described in Section 41-6a-1604;
(d)    hazard warning lights

(4)    Except for an authorized emergency vehicle described in Section 41-6a-1601, or a media production vehicle used in accordance with Section 41-6a-1718, a person may not use a rotating light on any vehicle.
(5)    A violation of this section is an infraction.