Traffic lights, a universal symbol of order, evolved from chaotic roads to controlled intersections. Red, chosen for its ...

Occasionally, during events or construction, you may see temporary stop lights set up by workers. How do these portable traffic signals work?

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Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...

The light just turned yellow and you've got a tough decision to make. Braking doesn't seem right – you're going too fast for a smooth stop. But continuing to drive also doesn't seem right – the light ...

Unfortunately, lately there have been too many traffic lights that aren't working and are left unattended for weeks, ...

SUN PRAIRIE, Wis. (WKOW) -- The days of waiting at long lights may be over at three intersections in Sun Prairie thanks to new AI technology. The City of Sun Prairie has put in several traffic cameras ...

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 ...

A group of Bay Area entrepreneurs has paired artificial intelligence with traffic lights and may be blazing a trail to the future. San Anselmo is a small town, but you wouldn't know it from the ...