Traffic along some of Seattle’s stop-and-go streets is running a little more smoothly after Google tested out a new machine-learning system to optimize stoplight timing at five intersections. The ...

The city of Galveston has received a nearly $2 million grant for a new traffic light integration system that will allow the city's traffic department to remotely control traffic signals. City ...

Transportation engineers at North Carolina State University have proposed that an additional color be added to existing traffic lights. This new color would be a white light, intended for the use of ...

The Shapiro Administration is investing nearly $30 million to upgrade traffic signals across Pennsylvania to improve safety ...