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 ...

Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.

Inductive loop detectors were introduced in the early 1960s and have been one of the most widely used sensors for traffic management on freeways, arterials, and intersections. These sensors are used ...