Early traffic lights had only red and green, which unsurprisingly made intersections rather chaotic. Who invented the yellow ...

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

Late at night, stopped at a traffic light, a driver notices lights on all lanes of travel except their own appear to change ...

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 ...

A nearly $30 million investment will go to communities all across Pennsylvania as part of the Green Light-Go Program.

OTTAWA — The region’s cold snap may have left some hesitant about working out in the elements over the past few weeks, and that apparently included some traffic light control panels. Earlier in the ...

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 ...

TWIN FALLS, Idaho (KMVT/KSVT) — The traffic intersection of Highways 93 and 25 in Jerome County has been notorious for bad ...

Starting January 1, California enforces new traffic laws. From smarter red light cameras to mandatory e-bike lights, here's ...