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IN-DEPTH ANALYSIS: The fourth, ‘white’ traffic light concept

30 June 2023

The idea of a fourth, white traffic light to help manage roads with a mixture of CAVs and manually driven vehicles hit the headlines earlier this year. But what is the traffic management thinking behind this concept? And can anything be learned from the idea, even if it never reaches full adoption?  TTI speaks to the academics behind the concept to get the full story.