New research shows that AI in cars might warrant a new, four-light traffic signal that is more efficient. Getty Images/iStockphoto See more of our coverage in your search results. Add The New York ...

What do you think of a fourth traffic light color being added to traffic signals for self-driving vehicles to help control traffic flow? I get that one day a bunch of connected autonomous cars may ...

With GPS data from as little as 6% of vehicles on the road, researchers can recalibrate traffic signals to significantly reduce congestion and delays at intersections. With GPS data from as little as ...

Your average driver might like to bemoan them, but traffic lights play an integral part in not only controlling traffic patterns in urban and suburban areas, but also helping to keep drivers and ...