A fourth traffic-signal color is more than sci-fi clickbait. As reported by ECO News’ Laila A., researchers at North Carolina State University are proposing a new white light that activates when ...

Portage is among several cities across the country that has discovered high-efficiency traffic lights are a hazard in a snowstorm. Many communities, including Portage, have switched to LED bulbs in ...

Macomb County has launched a pilot project to install heating technology on certain traffic signals because LED lights don't produce enough heat to melt snow and ice to make them fully visible. Shelby ...

NILES — The city will be replacing more than 260 street lights with LED fixtures in the coming months. Mayor Steve Mientkiewicz said the city has been replacing the old, high-pressure sodium bulbs ...

Before the advent of computers, traffic lights were a marvel of mechanical and electromechanical engineering, utilizing timers, relays, and human intervention to manage bustling city intersections.