What is the purpose of using different colors of emergency lights in vehicles?

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The purpose of using different colors of emergency lights in vehicles is primarily to signify different emergency services. Each color is associated with a specific type of service or function, which helps the public quickly understand the nature of the emergency situation. For example, blue lights commonly indicate police vehicles, while red lights are often used by fire departments. Ambulances may use both red and white lights, while other services, such as tow trucks or construction vehicles, might use amber lights. This color-coding helps ensure that motorists can recognize and respond appropriately to various emergency vehicles, contributing to a more organized response during critical situations.

While increasing visibility and reducing accidents are certainly goals of having emergency lights, the key aspect of color differentiation is to communicate the specific emergency service effectively.

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