A surprising amount of technology might be making that red light hold you up. Here's how traffic lights detect (or don't ...

You may have heard the term "Green Wave" in relation to traffic signals. Here's what it means, why cities do it, and what it ...

Even though we’re long past the invention of the car and the first appearance of traffic regulations, it’s interesting to know how it all began. To think that some 100-150 years ago, people considered ...

Have you ever wondered how traffic lights know when to give you a signal? Reader Nick Shepard asked Bee Curious, a community-driven series in which The Sacramento Bee’s service journalism team answers ...

Each time a driver in Seattle meets a red light, they wait about 20 seconds on average before it turns green again, according to vehicle and smartphone data collected by analytics company Inrix. The ...

Development of self-driving technology seems to have slowed down due to the complexity of navigating human-driven traffic. A new paper from the Institute of Electrical and Electronics Engineers ...

Cars that drive themselves are no longer just a concept you'd see in sci-fi movies imagining the near future. Companies like Waymo are already using self-driving cars, and you can ride in a robotaxi ...

When approaching a traffic signal with a red arrow pointing to the right, you might wonder what to do when you're in the ...