Psychology Behind Red and Blue Police Lights

What’s the psychology behind the use of red and blue lights for police vehicles? Here are some basic concepts to consider.
As nearly everyone who has driven a vehicle on US roads at some point is well aware, police vehicles that are attempting to respond to an emergency will utilize both red and blue lights atop and alongside their vehicles to help warn other drivers of their passing. These lights are well-known as signs that drivers […]

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Why Are Police Lights in Red and Blue?

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Why Are Police Lights in Red and Blue?

Why do majority of Southern States have Blue police lights and Northern states have the red and blue for police lights? - Quora

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Why Are Police Lights Red and Blue?