Every car speeding by and person crossing the street is living out their own story, traveling in their own direction, under the same three-light system. We encounter traffic lights nearly every day, ...

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 ...

Smarter vehicles could mean some of the most dramatic changes for the traditional traffic signal since the yellow light was added more than a century ago As cars and trucks get smarter and more ...

As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation. Researchers ...