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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes you sit in your car at a traffic light, waiting for the light to turn green, and you wait, and you keep waiting. And you ...

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 ...

Traffic signal timing technology that University of Michigan researchers are hoping will help cut down on congestion and waiting at red lights is expected to be installed at up to 40 metro Detroit ...

Drivers often overlook the small black boxes near intersections. But the technology inside them is cleverly changing how traffic lights react to the road.