Have you ever noticed purple street lights while driving? It's definitely odd, and there's a lot of speculation as to why ...

One thing that Bullough suggests pedestrians and drivers do to stay safe under purple streetlights—or any lights, for that matter—is to remove sunglasses and blue-light-filtering glasses when ...

In Milwaukee, at least 300 streetlights installed in 2018 began taking on a purple hue in 2021. In Eau Claire, Wisconsin, some city streetlights took on a blueish-purple tint the same year, as did ...

Purple and blue hues are due to a manufacturer error, Keith Richardson, a senior communications manager at Duke Energy, told The News & Observer. The defect causes the light to gradually turn ...