THEY WERE INJURED. POLICE CARS, AS WE KNOW, HAVE RED AND BLUE LIGHTS. NOW CONSTRUCTION WORKERS HAVE. AMBER AND GREEN. A YEAR AFTER A BILL SIGNED BY GOVERNOR JOSH SHAPIRO LAST JULY IS ALLOWING FOR THAT ...

When you see a huge, menacing pickup truck pop up in your rearview mirror, ever wonder what those five amber lights on top are for? Well, they're to tell you that the vehicle in your mirror is ... big ...

The city of Flagstaff and the State Department of Transportation are working to reduce light pollution with a new project to ...

In the commercial and industrial lighting world, luminaires with Amber LEDs fulfill a niche market need for both indoor and outdoor applications. In industrial facilities, luminaires with Amber LEDs ...