Traffic lights might see a fourth signal as self-driving cars become more practical. Getty Images/iStockphoto. The researcher’s latest plans differ from a 2020 model of a four-light intersection.

Traffic lights would enter a "white phase" when coordinating AVs through traffic. The lack of traffic light color would also indicate to human drivers that autonomous vehicles are being controlled.

To further harness these benefits, they proposed the introduction of a fourth, “white” light to traffic signals. In this scenario, the “white” phase activates whenever enough ...

Google AI traffic test in Boston Project Green Light has been tested at intersections in Fenway-Kenmore, Mission Mill, and Jamaica Plain by changing the timing of the traffic lights there.

Google using AI to help Boston improve traffic 02:16. BOSTON - Google and the city of Boston are teaming up to make traffic better.. Google Green Light . The partnership with Google's Project ...