A solid green light has meant “go” to American drivers for nearly a century. But at a growing number of intersections across the country, green now comes with ...

Red means stop and green means go. Well, except at intersections with traffic signals that show solid a green light in the left-hand turn lane. In that case, green means yield, and proceed with ...

Every few seconds at intersections across the United States, a driver sitting in a left-turn lane sees a solid green light and pulls forward, expecting oncoming traffic to stop. It doesn’t. According ...