Traffic light colors play a major role, but why did red, yellow and green make the cut over others on the color wheel? Ahead, we’ll explore traffic light history and the meaning of stoplight ...

He recently told ABC News that as self-driving cars integrate with typical ICE and driver-controlled EVs, a fourth traffic light color would be helpful. His team used model cars to simulate ...

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish light that’s near the traffic lights. I’ve tried to figure out what its ...

Have you heard we may start to see a new color on our traffic lights here in Texas in the not-so-distant future?