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LED Emergency Lights

Emergency vehicles with warning lights alert other drivers to make room for the swiftly responding first responders. Additionally, police utilize light signals to tell passing cars to stop. Utility trucks drive slowly, and different colors and light patterns can indicate building sites. Here are some common emergency vehicle lighting colors and where they are used to help you understand more about them.


The general color code for emergency lights car

This list shows how emergency light colors are used in the US, but it may vary in other countries.

  • Red: Emergency vehicles, such as fire trucks, ambulances, and police cars, almost always have forward-facing red lights.
  • Blue: Law enforcement is the group that uses blue the most frequently. Tow trucks and other utility vehicles are among the few groups allowed to use blue lights in areas like Texas and New Mexico.
  • Amber/Yellow: Most cars with yellow or amber warning lights are non-emergency vehicles used for towing, construction, road maintenance, and funeral escorts. Vehicles that need to move slowly or stop frequently may use this color warning light.
  • White: How each state requires this optional color warning light may vary. White light use is limited to first responder emergency vehicles in certain states. You typically need to use white light with other colored lights, especially when mounting them in a light bar.
  • Green: Although volunteer firefighters, paramedics, and a few other agencies utilize green light in some areas, this color has been most frequently linked to Homeland Security since the 9/11 terror attacks. To improve visibility, Homeland Security vehicles will patrol a designated area while their green lights are illuminated.


How do different emergency vehicles use their warning lights?

Listed below are the three primary emergency services, along with how they often employ emergency lights.

  • Police Officers: Law enforcement personnel can be easily identified on the road by their solid red, solid blue, or combination. While some police utilize white or amber lights, these lights are typically oriented toward the back of the car. These amber lights frequently resemble arrows. Certain states let "special police," usually humane society agents assigned to security roles at hospitals, universities, and other establishments, use the same colored lights as official state police. State law enforcement grants special permissions to "special police."


  • Firefighters and EMS: Ambulances, other emergency medical transports, fire trucks, and other firefighting vehicles like the chief's car usually have red and white lights on them. Similar to police cars, most of these emergency vehicles' alternative colors are facing rearward. Some Chicago fire vehicles have green lights on the right side, following maritime tradition. This is different from most vehicles.


  • Volunteers: Emergency lights on volunteer fire and ambulance vehicles are legal in several states. Each state has rules on how volunteers should use emergency lights to avoid confusing other drivers. It is crucial to be aware of state legislation before purchasing costly lighting equipment.


Warning lights exist for your safety.

It's critical to comprehend the meaning of various lights and who can utilize them for everyone's safety when driving. The color code helps drivers identify fast and slow-moving cars in front or behind them. This allows them to react appropriately.

Before you install emergency lights on your vehicle, check the laws in your state to ensure you are in compliance. Make sure you are using the lights correctly by following the regulations. It is important to be aware of the laws and regulations regarding emergency lights before adding them to your vehicle. 

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