Morning Overview on MSN
Why blue lights are suddenly popping up above traffic signals
Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights ...
The Family Handyman on MSN
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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