As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation. Researchers ...

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 ...

I must be penny-wise and pound-foolish. After all, somehow, the small gripes that cost me a few seconds always end up turning into massive research projects. My article in February on Salt Lake City ...

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 ...

Researchers are exploring ways to use features in modern cars, such as GPS, to make traffic safer and more efficient. This undated photo provided by the University of Michigan College of Engineering ...

The same innovation that makes laptop screens thinner turns out to be one of the best energy-saving technologies on Earth - and it's all thanks to new tricks that make it possible to create more ...

In a tough year of budget cuts and management changes, Virginia's beleaguered Department of Transportation has found a bright spot. Workers are replacing thousands of green and red light bulbs in ...