Across the United States, drivers are looking up at intersections and noticing a new, unfamiliar glow: small blue lights ...

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

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 ...

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

NORTH CAROLINA, USA — North Carolina drivers, get ready for changes at intersections when traffic lights aren't working as normal. The NC Department of Transportation (NCDOT) says it is modifying ...

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 ...