As transportation crews replace incandescent light bulbs to the more energy-efficient LED lights, they have found they do not handle snow as well as before.

You’re going to like [Ivan’s] write-up for this LED computer status monitor. Of course he didn’t just show-and-tell the final product — if he had you’d be reading this… ...

When cities started replacing the old, incandescent bulbs of traffic lights with new LED arrays, it came with all kinds of wonderful upsides. LED arrays last much, much longer than bulbs, which ...

A new invention from a Colorado man, aimed at helping save lives and stop accidents from happening, is showing promise according to traffic engineers around the Denver metro area.

Energy-efficient LED traffic lights may not melt snow, but they do cause accidents.

Taiwan, always known to one-up the global marketplace when it comes to traffic control and street lighting, has announced that within the next three years all of its traffic lights will become LED ...

These traffic lights are designed so that the appropriately colored light is only visible by its intended traffic goers. A video showing a LED signal pole in a European town has recently surfaced.

New LED bulbs don't generate the same amount of heat the old incandescent bulbs did, so they don't melt the snow that builds up on traffic lights.

British lighting technology firm Dialight is hoping a switch to low-carbon LED traffic lights across Europe and on cellphone masts will help it to drive revenues over the next few years.

A blast of winter meant a busy day for city crews Thursday, as they sanded and salted huge swaths of Winnipeg including icy bridges. But now they have to clear snow off traffic signals, too.

At around 40 intersections in Chandigarh, where traffic lights are being upgraded to LED lights, their timers have not been functioning properly, according to residents; road safety experts say ...