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.

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

Get the latest federal technology news delivered to your inbox. A “white light” added to traffic signals could enable self-driving vehicles to help control traffic flow—and let human drivers know what ...

On many traffic signals found throughout the United States, there is a small light that is placed in between or off to the side of the traffic signal lights. Sometimes you see them blink when ...

While most traffic light cameras simply measure traffic and help time the lights, some modern additions are used for more ...

MOORHEAD — A federal grant awarded to the city of Moorhead gives the green light to a plan for greater cohesion between the streets and traffic lights of metro cities. The city of Moorhead was awarded ...

NORTH CAROLINA, USA — North Carolina drivers, get ready for changes at intersections when traffic lights aren't working as normal. The NC Department of Transportation (NCDOT) says it is modifying ...

If you've ever wondered how traffic lights work and how they can detect your car, you've probably also been curious about those small blue lights mounted above the signals themselves. These blue ...