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 ...

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 ...

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 ...

The concept of the traffic light actually dates all the way back to the 1860s, where gas-lit signals were placed on the posh streets that lined the Houses of Parliament in London. Of course, back then ...

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 ...

The choices made as to whether traffic lights are mounted vertically or horizontally reflect traffic clearance, resistance to ...

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 ...

Our view: Like Kampala Lord Mayor Erias Lukwago warned, if we do not have strong measures to safeguard and maintain this initiative, it risks becoming a white elephant. This week, Kampala Capital City ...