Anyone who has gotten behind a wheel knows the feeling of being stuck at a red light, and researchers are working on ways to reduce that occurrence. One way to do this is by changing traffic signals.
A Detroit police officer is credited with adding the yellow light to traffic signals in 1920. Now, 100 years later, some are considering adding another.
As more autonomous vehicles enter our roadways, traffic flow can improve because they can communicate with each other. However, they still have to share the road with human-driven cars.
“And that’s when the white light concept started,” said Ali Hajbabaie, an associate engineering professor at North Carolina State University.
He has been researching how to use autonomous vehicles to make traffic systems safer, more efficient, and more environmentally friendly for all cars on the road.
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