Many cities are replacing their incandescent traffic lights with LEDs, despite the higher initial cost. Here's why that's ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Heading into Labor Day weekend, ...

DAYTON — Federal transportation officials have been pushing local governments for several years to switch to brighter, more energy-efficient LED traffic signals. But now a University of Dayton study ...

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 ...