LED headlights may perform better than halogen or other options, but there are still a few considerations you should know ...

His suit highlights concerns about LED lighting’s impact on individuals ... California Department of Transportation and Federal Highway Administration — have failed to complete environmental ...

There’s a purple-bluish glow coming from some of the lights above highways in Western Pennsylvania. It’s a bizarre look. What ...

The signs have simple LED lights powered by a solar panel. According to MnDOT, they are generally illuminated all day unless it is cloudy for an extended period of time. Drivers should expect to ...