Strictest States for Light Bars (2026)
Nearly every guide on this topic repeats the same line: light bars must be covered on public roads. It is one of the most widely copied errors in vehicle-modification content, and following it will get you a ticket in at least two states.
Here is what fifty states actually say, re-verified against statute and administrative code in August 2026. Exactly one state flatly mandates an opaque cover. A few more require one conditionally. Two states make a tinted cover a violation in itself. Everywhere else, the rule is simply: keep it switched off on the highway.
1. Pennsylvania - The Only Outright Cover Mandate
Pennsylvania is the one state that genuinely mandates it. Roof or roll-bar mounted off-road lights may be installed only if they are not used on a highway and are covered. Both conditions, together, with no height qualifier and no exemption path. If you have read the "light bars must be covered" advice anywhere, Pennsylvania is the state it came from.
2. California - Opaque Hood and Switched Off
California requires off-road light bars to be covered with an opaque hood and switched off whenever the vehicle is on a highway. The word opaque matters — a smoked or tinted cover does not satisfy it.
3. Michigan - Covered and Unlit
Michigan requires any lamp that is not expressly required or permitted, and does not meet the federal lighting standard, to be both covered and unlit on the highway. Most aftermarket bars fall squarely into that category.
4. Virginia - Covered, or Clear-Lensed, and Unlit
Virginia gives you a choice that no other state does: a non-approved lighting device must be either covered and unlit, or fitted with a clear lens and clear reflector and unlit. Either way it stays off on the highway.
5. Minnesota - A Cover Rule Keyed to Height
Minnesota's cover requirement is real but conditional. Auxiliary driving lamps mounted between 16 and 42 inches may be used on the road; anything outside that window — a roof-mounted bar, for instance — falls under the cover rule. Where your bar sits determines which rule applies to you.
6. New Jersey - Covers Tied to the Lift Certificate
New Jersey's requirement is narrower still: opaque covers on auxiliary off-road lights are required only for elevated vehicles seeking an approval certificate. If you are running a lifted truck through New Jersey's elevated-vehicle process, this applies to you; otherwise it does not.
7. Maine - Anything Above the Headlights Stays Dark
No cover requirement, but an unusually low threshold for switching off: any light mounted higher than the center of the main headlights may not be illuminated on a public way. That reaches bumper-mounted bars, not just roof bars.
8. North Dakota - A Sixteen-to-Forty-Two-Inch Window
North Dakota bars illuminating any auxiliary driving lamp mounted below 16 inches or above 42 inches while on a highway — a window that excludes most roof-mounted bars and many low bumper mounts.
9. Tennessee - Only Two Lit at Once
Where most states cap you at four front lamps over 300 candlepower, Tennessee allows only two auxiliary road-lighting lamps lit at any one time, in addition to your two required headlights. The tightest lamp-count limit in the country.
10. Montana - Nothing Above Forty-Two Inches
Montana requires no cover, but off-road lamps mounted above 42 inches may not be illuminated while operating or parked on a highway. The parked clause is unusual and catches people at trailheads and rest stops.
The Two States Where Covering Is the Violation
This is the part that makes generic advice dangerous.
Illinois prohibits driving with any lighting that has a smoked or tinted lens or cover. Fitting the cover that Pennsylvania requires is, in Illinois, itself an offence.
Kentucky sets no lamp-count or candlepower cap and requires no cover — but prohibits retrofit covers and films that change the color of emitted light. A tinted cover is a violation.
If you drive between states, note that no single hardware configuration satisfies Pennsylvania and Illinois simultaneously. A removable opaque cover is the only setup that works in both.
Everywhere Else: Just Switch It Off
In the remaining states the rule reduces to a lamp count and an off-on-the-highway requirement. Most cap you at four front lamps over 300 candlepower lit at one time — Alabama, Alaska, Arizona, Arkansas, Connecticut, Delaware, Florida, Idaho, Nevada, Rhode Island, South Carolina, Washington, West Virginia, Wisconsin, and Wyoming all work this way, with no cover requirement at all. Ohio is slightly more generous at five.
For exact limits and statute citations, get your compliance report.
Every figure on this page was verified against primary sources — statute text and administrative code — in August 2026. Local ordinances may add requirements beyond state law.