West Virginia Auxiliary Lights: Fog, Driving, Spot and Roof Light Bars

Most states bury auxiliary lamps in a single sentence. West Virginia gives each type its own paragraph with its own count and its own mounting window, and the numbers do not repeat. Under §17C-15-17(a) a motor vehicle may be equipped with not more than one spot lamp, and a lighted spot lamp must be aimed so that on approaching another vehicle no part of the high-intensity portion of the beam goes to the left of the prolongation of the extreme left side of the vehicle, nor more than one hundred feet ahead of it. A public utility company maintenance vehicle is the single exception written into that paragraph: it may carry more than one spot lamp, but every lighted spot lamp on it must still be aimed to the same standard.

Fog lamps under subsection (b) are capped at two, mounted on the front not less than twelve inches nor more than thirty inches above the level surface the vehicle stands on. The aiming test is specific: with the vehicle unloaded, none of the high-intensity portion of the light to the left of the centre of the vehicle may, at twenty-five feet ahead, project higher than a level four inches below the centre of the lamp it comes from. Auxiliary passing lamps under subsection (c) are also capped at two but sit higher, not less than twenty-four inches nor more than forty-two inches. Auxiliary driving lamps under subsection (d) are capped at two and run from sixteen inches to forty-two inches. Those three height bands overlap but do not match, so a bar sold generically as a light bar has to be classified before it can be mounted legally.

The forty-two inch ceiling is not absolute. The unnumbered paragraph that opens §17C-15-17 says all lamps and lighting devices covered in the section may be installed so that the entire device exceeds forty-two inches above the level surface, so long as the lamps or lighting devices are either covered or dimmable. The same opening also relaxes the height test itself: a lamp meets a stated range so long as any portion of its illuminating surface falls within that range, which is why a tall housing does not automatically fail.

Subsection (e) is the provision that most off-road builds turn on. West Virginia expressly permits a roof-mounted off-road light bar lighting device comprised of multiple lamps. The permission carries a proviso in the same sentence: whenever the vehicle is operated or driven upon any road or highway of this state, the roof-mounted off-road light bar shall be turned off while the vehicle is being operated on any road or highway. The statute does not require the bar to be covered or removed, and it does not distinguish paved from unpaved public roads. It bans the light, not the hardware.

Two further sections limit what all of this can add up to. W. Va. Code §17C-15-25(b) says that where a vehicle has the required head lamps and also carries auxiliary lamps, a spot lamp, or any other front lamp projecting a beam greater than three hundred candlepower, not more than four such lamps on the front may be lighted at any one time on a highway. That is the practical cap: a driver with two fog lamps, two driving lamps and a spot lamp owns more lighting than may lawfully burn together.

Colour and flashing are governed by §17C-15-26. Subsection (b) prohibits driving with any lamp or device displaying other than a white or amber light visible from directly in front of the centre of the vehicle, except where subsection (d) authorises otherwise. Subsection (c) prohibits flashing lights on motor vehicles altogether, apart from turn indicators and hazard flashers used to show the vehicle is disabled or stopped for an emergency, and apart from what subsections (d) and (g) and §17C-15-19 allow. Subsection (d) then assigns the warning colours: blue flashing warning lights are restricted to police vehicles, red to a long enumerated list running from ambulances and fire-fighting vehicles to Department of Agriculture emergency response vehicles and airport emergency management vehicles, and yellow or amber to tow trucks and wreckers, rural newspaper delivery vehicles, flag car services, snow removal equipment, service vehicles of a public service corporation and school buses. Most of those authorisations are conditioned on a named official signing off, frequently the sheriff of the county of residence.

Subsection (a) of §17C-15-26 also constrains high-output accessory lighting that is not a head lamp, spot lamp, auxiliary lamp or flashing front-direction signal: any such lamp projecting more than three hundred candlepower must be directed so that no part of the beam strikes the roadway more than seventy-five feet from the vehicle. Read with the white-or-amber rule in subsection (b), that is the framework a coloured accent or underbody installation has to satisfy in West Virginia, because nothing in Article 15 grants such lighting a separate permission.

Article 15 carries its own graduated penalty. W. Va. Code §17C-15-6(a) makes a violation of the article a misdemeanor punishable by a fine of not more than $100, rising to not more than $200 on a second conviction within one year and not more than $500 on a third or subsequent conviction, unless the article provides otherwise. Section 17C-15-1(a) separately makes it a misdemeanor to drive, or for an owner to cause or knowingly permit to be driven, any vehicle that is not equipped as required by the article.

Running a roof-mounted off-road light bar on a public road is the clearest way to be cited, because §17C-15-17(e) makes the offence the act of leaving it lit rather than the fitting of the bar. Lighting more than four high-intensity front lamps at once violates §17C-15-25(b) even where every individual lamp is legal. Displaying a colour other than white or amber to the front violates §17C-15-26(b), and §17C-15-26(g) makes it unlawful for flashing warning lights of an unauthorized colour to be installed or used on a vehicle other than as the section specifies, with a single stated exception allowing a police vehicle to carry either or both blue and red.

Separately, §17C-16-4(c) allows the Superintendent of the West Virginia State Police to ask the Commissioner of the Division of Motor Vehicles to suspend the registration of a vehicle that, after notice and demand, is not equipped as chapter 17C requires.