Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

Q: Stephen Wysong of Hemet said he has noticed over the years that most people seem unaware of the magnetic loop sensors embedded in the roadway at signaled intersections. He has seen overly cautious ...

Smart intersections are the next big thing in terms of ways to optimize the traffic, especially given the connected car push that’s getting so much traction these days. And naturally, the closer we ...

Phil Goldstein is a former web editor of the CDW family of tech magazines and a veteran technology journalist. He lives in Washington, D.C., with his wife and their animals: a dog named Brenna and two ...

Those traffic sensors aren't always sensitive enough to recognize the presence of a motorcycle, with less metal and heft than vehicles with four wheels. Read typically tries to wait until another ...

Affixed to many traffic light arms in the Dallas-Fort Worth area are what look like cameras aimed at oncoming vehicles. Cameras and other technology installed on traffic lights at Stemmons and Valwood ...

Different LiDAR sensors in autonomous vehicles deliver precise 3D imaging, supporting reliable perception and decision-making ...

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 ...