Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights perched near traditional red, yellow and green signals. They are not decorative ...

Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate movement at intersections.

Some things are so ubiquitous that it's easy to forget they're designed for a reason. With more than 300,000 traffic lights set up across the United States, it's easy to take how they look for granted ...

There's a new pedestrian crossing signal in town. Rather than relying on long-standing laws requiring motorists to stop for pedestrians in a crosswalk, the Pedestrian Hybrid Beacon uses yellow and red ...

Today's traffic lights can be controlled by anything from standard traffic control computers to highly advanced AI-driven computer systems that are so "smart" they can predict what's going to happen ...

The choices made as to whether traffic lights are mounted vertically or horizontally reflect traffic clearance, resistance to ...

SCRANTON – In the works for years, plans to upgrade traffic light signals at three busy intersections finally have a green light to move ahead. In recent years, the state Department of ...

Drivers experience billions of dollars in congestion costs at intersections every year. Improving traffic signal timing could help reduce costs and delays. Sometimes you sit in your car at a traffic ...