What does it mean when a cop flashes red and blue lights?

The combination of flashing red and blue lights helps to alert drivers regardless of the time of day. Interestingly, some experts also say that using both red and blue lights mitigates problems associated with drivers who are colorblind. Those who have may trouble seeing red often have no trouble seeing blue.



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Usually when we do that we are trying to get your attention, so you pay attention to your driving; speed, lane usage, lack of attention, cell phone usage. Think of it as a warning. We may do this if your issue is not over the top, or perhaps we are on the way to another call and cannot stop you, but want to warn you.

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