Underglow in Maryland
Underglow is legal in Maryland, including while driving, subject to color and flashing limits: Lighting must be steady — oscillating, rotating, and blinking lights are banned unless authorized — with red and blue reserved for emergency vehicles, white or amber to the front, and no white to the rear.
Verified against primary sources · August 2026
What the law says
Maryland does not ban underglow — it restricts colors and behavior. Lighting must be steady — oscillating, rotating, and blinking lights are banned unless authorized — with red and blue reserved for emergency vehicles, white or amber to the front, and no white to the rear.
Specific Limits
- Restrictions
- Lighting must be steady — oscillating, rotating, and blinking lights are banned unless authorized — with red and blue reserved for emergency vehicles, white or amber to the front, and no white to the rear.
- While driving
- allowed
Exceptions & Exemptions
Underglow lights cannot be red or blue colors, cannot be visible while driving on public roads, and cannot flash or strobe. Only white and amber colors are generally permitted for auxiliary lighting.
Frequently Asked Questions
Are underglow legal in Maryland?
What are the exact underglow limits in Maryland?
Are there exceptions for underglow in Maryland?
Street-legal underglow picks
Gear that helps you mod without a ticket in Maryland.
The glow that's legal in every state — inside the cabin instead of under it.
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