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.

It took a hard fought battle, but East Milton gets its U.S. 90, Airport Road traffic signal. It goes live Nov. 13.

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 ...

Sensors in the ground communicate with the traffic signals to constantly retime the signals based on road conditions. If more cars are coming in one direction, the direction with heavier traffic flow ...

A historic change in roadways could begin in the United States, where a new color could be added to traffic lights, the white light.White light would not replace the traditional red, yellow and green ...

If it seems like you're spotting more red-light cameras holding silent sentry over busy Redding intersections, you're right. The white, shipping-box sized cameras meant to deter driving scofflaws have ...