CC0 Usage Conditions ApplyClick for more information. Why? Dot Dot Dot Ex Why Zed Design (XYZ) claims that its modular traffic-light system is the worlds safest configurable traffic light. The pole ...

As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation. Researchers ...

A new traffic signal system designed by University of Michigan researchers is being implemented in Oakland County, with plans to expand across Southeast Michigan. The system uses GPS data to track ...

For the first time in nearly 30 years, the City of Minneapolis is fine-tuning all of the roughly 800 traffic lights throughout the city. By counting traffic and adjusting the timing of the lights ...

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 ...

Every time we stop at a red light, wait patiently for green, or slow down on yellow, we’re participating in a system that quietly keeps billions of people safe. But have you ever wondered who invented ...

Traffic Lights: If you stop at a traffic signal, you will always see the same three colours — red, yellow and green. While modern technology has transformed vehicles and roads, traffic lights across ...