If you’ve seen talk about a white traffic light or images of a signal with an unfamiliar fourth color, you’re not imagining it. With everything drivers already pay attention to at intersections, ...

The Connecticut Department of Transportation is installing new traffic signals that have reflective backplates. These 3-inch yellow borders improve visibility at night. Credit: CDOT / Instagram Did ...

If you're comfortable with the present green, amber, and red traffic lights, be prepared to get uncomfortable. New research suggests that adding a white light will speed up traffic and improve safety ...

A new type of traffic light that's becoming increasingly popular in Massachusetts is confusing drivers, with nearly a quarter of cars running through a solid red light, a study found. Researchers at ...