THEY WERE INJURED. POLICE CARS, AS WE KNOW, HAVE RED AND BLUE LIGHTS. NOW CONSTRUCTION WORKERS HAVE. AMBER AND GREEN. A YEAR AFTER A BILL SIGNED BY GOVERNOR JOSH SHAPIRO LAST JULY IS ALLOWING FOR THAT ...

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 ...

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 ...

The idea of a fourth traffic light has gone viral online, with several reports claiming that a white signal will soon join the familiar red, amber and green at road intersections. The reason, ...