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Red, yellow, green… and white? The new traffic signal color you need to know

Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate ...
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Traffic Lights Could Soon Get a Fourth Color - What It Means for Drivers

A fourth traffic-signal color is more than sci-fi clickbait. As reported by ECO News’ Laila A., researchers at North Carolina State University are proposing a new white light that activates when ...