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

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Urban planners in Vienna, Austria, installed their first smart ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Traffic light with red light and green arrow for free right turn - Blue Traffic Light/Shutterstock LED signal lights generally ...