Red and blue lights are used on U.S. police cars for many reasons, but the main one is that they are highly visible and easily distinguishable from one another.

Red and blue lights are used on U.S. police cars for many reasons, but the main one is that they are highly visible and easily distinguishable from one another.

Police were looking for a woman possibly impersonating an officer. Now, the department says she was simply unaware of the red and blue flashing lights installed in her car.

TUCSON, Ariz. (KGUN) — Drivers tell us red light runners are one of the most common—and frightening—things they see on our roads. The City of Tucson wants to see if installing blue lights on ...

In a new study published Wednesday, researchers conducted six clinical trials on 216 participants with mild to moderate acne and found that using at-home red and/or blue LED devices led to a 45.3% ...

Lights outside the John F. Kennedy Center for the Performing Arts will permanently display the colors red, white and blue every night to commemorate the United States, the arts institute announced ...

HOUSTON (CW39) – The sight of blue police lights is a common yet powerful symbol in modern society. These lights are not only a tool for law enforcement but also serve as an important signal … ...

Red, yellow and blue…; This country does not use green traffic lights due to…the answer will SHOCK you The country we are talking about is Japan, a technologically advanced nation famed for ...

Flashing red and blue lights would still be used “for urgency.” Before being implemented, the resolution needs to be passed by the Kansas City Board of Police Commissioners, of which Kansas ...

Blue and red lights also can stand out, regardless of the time of day. Because blue is a fairly unique color to see in our natural world (besides a blue sky), it can stand out during the daylight.