Ask Trooper Steve: Why are police lights red and blue?

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What do Different Colour Flashing Lights Mean on Vehicles?

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Psychology and Science Behind RED and BLUE Police Lights

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Ask Trooper Steve: What to do if police lights on but not flashing

Research on police lights to improve road safety

Good Question: When are police required to use their emergency lights?

WHAT TO DO... Lights And Sirens

State Police make emergency lights easier to see with another color

Victoria Police Red and Blue Flashing lights

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How Do Traffic Light Sensors Work? | Did the lights fail?

Fake Cop? Sketchy guy in civilian car flashing blue lights. KY 918PFK - Not Fire Fighter

Ask Trooper Steve: Can emergency vehicles change traffic lights?

What does this mean? No siren, no blue lights, just secondary smaller red lights and hazards.

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CAN COPS RUN RED LIGHTS??