
For over a century, the language of traffic lights has been simple. Red means stop, green means go, and yellow means hurry up (or slow down, depending on your personality). This system has worked pretty well for cars driven by humans. But the future of driving is about to change everything.
Researchers are preparing for a world where autonomous vehicles (AVs) share the road with the rest of us. To make that transition safer and more efficient, they’ve proposed a radical idea. It’s time to add a fourth color to our traffic signals. This new traffic light color isn’t just a concept; it’s a practical solution for a high-tech problem.