HOUSTON (CW39) – The sight of blue police lights is a common yet powerful ... with law enforcement but also because blue is a ...

But why are cruise lights solid blue and not another color? There are a few reasons why this is so. Initially, police lights were just red, but in the 1960s and 1970s, precincts started using blue ...

For the first time in more than a half-century, New York State Police patrol vehicles will not feature the color blue.