• WHY Wednesday. Why do police use red and blue lights? It’s all about getting attention. When we use our red and blues we want people to notice us so they can react appropriately. Some studies show blue light can be observed quicker at night and red lights quicker during the day. https://t.co/YfrTdMWKnT

    WHY Wednesday. Why do police use red and blue lights? It’s all about getting attention. When we use our red and blues we want people to notice us so they can react appropriately. Some studies show blue light can be observed quicker at night and red lights quicker during the day. https://t.co/YfrTdMWKnT via @BeavertonPolice

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