New research shows that AI in cars might warrant a new, four-light traffic signal that is more efficient. Getty Images/iStockphoto Surely this will complicate the game of red light, green light.

Researchers from North Carolina State University have proposed launching a new color, white, to traffic lights, specifically intended for autonomous vehicles (AVs). While red, yellow, and green have ...

While the universal traffic light design that the entire planet currently uses (still) does its job very well, there are experts who believe that this critical component of today’s traffic should be ...

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...

Adding a fourth light to traffic signals—in addition to red, green, and yellow—would shorten wait times at street corners for pedestrians, a new study shows. It would also improve traffic flow for ...

Small cameras mounted on top of traffic lights have become a pretty common sight in the U.S., as they can be found in almost every state. It continues to get more common, as the number of traffic ...