From red to green: The first traffic light changes in 60 years are coming to the US

Nashville is upgrading its traffic lights for the first time in 60 years. New smart signals are being installed to adapt to ...
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Is a new white traffic light coming? The four-colour signal that could change road safety

The idea of a fourth traffic light has gone viral online, with several reports claiming that a white signal will soon join the familiar red, amber and green at road intersections. The reason, ...