Usage of neon underglow lighting is governed by Utah Code, Title 41: Motor Vehicles, Chapter 6a: Traffic Code, Part 16: Vehicle Equipment.
Is neon underglow legal in Utah?
Utah law does not restrict additional aftermarket vehicle lighting which would include neon underglow. Therefore it’s our conclusion that in Utah neon underglow is not illegal, as long as you adhere to the following restrictions:
- No red or blue lights may be visible from the front of the car
- No flashing or rotating lights are allowed
To be safe we recommend avoiding red and blue colors altogether, and any combination of red, blue and white lights which may imitate an emergency vehicle.
There are no relevant UT laws to restrict or prohibit installing underbody lighting, thus we consider it legal to use while driving.
Note: we’ve been advised by a member of Utah Highway Patrol that unless the vehicle is on private property, off-road or being used for display purposes only, all underglow is illegal. We are unable to find any laws or statutes to support this claim. Use at your own risk.
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.
State of Utah Info
Utah is the 13th-largest, the 34th-most populous, and the 10th-least-densely populated of the 50 United States. Approximately 80% of Utah's 2,817,222[ people live along the Wasatch Front, centering on Salt Lake City, leaving vast expanses of the state nearly uninhabited. Utah is bordered by Colorado on the east, Wyoming on the northeast, Idaho on the north, Arizona on the south, and Nevada on the west. It also touches a corner of New Mexico on the southeast.
Capital: Salt Lake City
Area: 84,899 sq mi (219,887 km2)
Cities in Utah: Salt Lake City, Provo, Park City, Ogden, St. George, Moab, Orem, Vernal, Sandy, Cedar City, West Jordan, Logan, Snowbird, Bountiful, South Jordan, Lehi, Draper, West Valley City, Spanish Fork, American Fork, Kanab, Layton, Heber, Murray, Springville, Clearfield, Kiz, Pleasant Grove, Kaysville, Saratoga Springs, Herriman, Brigham City, Riverton, Hurricane, Brian Head, Tooele, Helper, Alpine, Midvale, Manti, Sego, Utah, Wendover, Canyon Cove, Price, Eagle Mountain, Springdale, Alta, Escalante, Richfield, Lindon
Counties in Utah: Beaver, Box Elder, Cache, Carbon, Daggett, Davis, Duchesne, Emery, Garfield, Grand, Iron, Juab, Kane, Millard, Morgan, Piute, Rich, Salt Lake, San Juan, Sevier, Summit, Tooele, Uintah, Utah, Wasatch, Washington, Wayne, Weber
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