Maryland Neon Underglow Laws

When it comes to customizing your vehicle and giving it a unique personality, neon underglow lights have become a popular choice among car enthusiasts. Neon underglow lights can enhance the visual appeal of your vehicle, making it stand out from the crowd. However, before you decide to install neon underglow lights on your car in Maryland, it’s essential to be aware of the state’s specific laws and regulations regarding these eye-catching accessories.

We will explore Maryland’s neon underglow laws, ensuring you stay within the legal boundaries while enjoying the vibrant glow of your vehicle.

Maryland Neon Underglow Laws

Neon underglow refers to the neon or LED lights mounted beneath a vehicle, often illuminating the ground below with various colors. These lights are typically installed for aesthetic purposes, allowing car owners to personalize their vehicles and express their unique style.

Maryland, like many other states, has regulations in place to govern the use of neon underglow lights on vehicles. These regulations are primarily focused on ensuring the safety of drivers and pedestrians while allowing for some personalization. Below are the key points you should know about Maryland’s neon underglow laws:

  1. Colors Matter: In Maryland, neon underglow lights are permitted, but they must emit only white or amber light. Other colors, such as red, blue, and green, are not allowed.
  2. Placement Rules: The Maryland law stipulates that underglow lights should not be visible from the front of the vehicle while it is in motion. This restriction is in place to prevent distractions for other drivers and maintain road safety.
  3. Restrictions on Flashing Lights: Flashing or oscillating neon underglow lights are not permitted on any vehicle in Maryland. These types of lights can be confusing to other drivers and pose a hazard on the road.
  4. Prohibited on Emergency Vehicles: Maryland law prohibits the use of neon underglow lights on emergency vehicles. This regulation is in place to avoid confusion between official emergency vehicles and personal vehicles.
  5. Dim When Parked: When the vehicle is parked, underglow lights must be dimmed to the point where they are not distracting or blinding to others. This helps maintain a respectful and considerate approach to other individuals in the vicinity.

Penalties for Violation

If you choose to install neon underglow lights that do not comply with Maryland’s regulations, you may face legal consequences. Violations can result in fines and potentially even vehicle impoundment. It’s crucial to ensure that your neon underglow setup adheres to the state’s laws to avoid any unwanted legal issues.


Maryland’s neon underglow laws are designed to strike a balance between allowing vehicle customization and ensuring road safety. While you can add a touch of personal style to your vehicle with neon underglow lights, it’s essential to be aware of and adhere to these regulations. By doing so, you can enjoy the vibrant glow of your vehicle while staying within the legal boundaries.

Before installing neon underglow lights, always check with the Maryland Department of Transportation or consult with a legal professional to ensure your setup complies with the latest state regulations. Remember, driving safely and respecting the rules of the road should always be your top priority.

FAQ About Maryland Neon Underglow Laws

Are neon underglow lights legal in Maryland?

No, neon underglow lights are generally not legal in Maryland. The state’s vehicle lighting laws prohibit the use of aftermarket lighting devices that emit colors other than white or amber on the front of the vehicle and red or amber on the rear. Neon underglow lights typically emit various colors, which makes them non-compliant with Maryland’s regulations.

Can I use neon underglow lights for special events or parades in Maryland?

Yes, you can use neon underglow lights for special events or parades in Maryland, but only if you have obtained a special permit for such purposes. The state may allow temporary use of non-compliant vehicle lighting for events like parades or exhibitions, but you must ensure that you have the necessary permits and comply with any specific restrictions outlined by local authorities.

Are there any exceptions for emergency vehicles or certain vehicles in Maryland’s neon underglow laws?

Yes, there are exceptions for emergency vehicles and specific types of vehicles in Maryland. Emergency vehicles, such as police cars, fire trucks, and ambulances, are allowed to use a variety of lighting colors, including red and blue. Additionally, some specialty vehicles like construction or utility vehicles may be permitted to use non-standard lighting for identification or safety purposes, but these exceptions are typically limited and regulated.

What are the penalties for using illegal neon underglow lights in Maryland?

Using illegal neon underglow lights in Maryland can result in penalties, including fines and the possibility of having the lights confiscated. Penalties can vary depending on the specific violation and jurisdiction within the state. It’s essential to check with your local law enforcement agency or review the state’s vehicle code for precise information on penalties associated with non-compliant vehicle lighting.

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