Get ready to see some white lights joining the red, yellow, and green party on the traffic lights! It would signal to drivers of autonomous vehicles (AVs). The white light should help them manage the upcoming intersection of traffic flow intelligently. The thinking is that both traffic congestion levels and overall fuel consumption could be reduced. The cars and trucks that are driving themselves won't need to 'look' at the white traffic light, because they'll be communicating with it wirelessly.

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