Google claims that its quietly rolled-out AI traffic signal project streamlines the process and reduces stoplight wait times — but it’s unclear exactly how helpful it really is. While relying on ...

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 ...

U.S. air traffic control system is showing its age. Many of its critical systems are decades old, and some are starting to fail. We saw that during the radar and communication outages that led to ...