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.

Poorly timed traffic lights waste time and money, but a University of Michigan study uses connected cars for a simpler remedy.

Systems have been developed that control lights for whole cities and digital models of traffic flow have been honed to a fine art. The emergence of autonomous vehicles (AV) has introduced a new twist.

Google is analyzing data from its Maps app to suggest how cities can adjust traffic light timing to cut wait times and emissions. The company says it’s already cutting stops for millions of drivers.

From their NASA-like headquarters in suburban West Palm Beach, county engineers monitor hundreds of intersections' traffic lights.

You’re sitting at a red light. There’s no traffic headed in the other direction. But the light isn’t changing. Technology coming to the D.C. area may help. Alexandria, Virginia, will begin ...

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 ...