The traffic light started as a simple invention based on people’s needs, and now it’s a complex template that can be improved upon. It went through a long journey of innovation and development, ...

New research shows that AI in cars might warrant a new, four-light traffic signal that is more efficient. Getty Images/iStockphoto Surely this will complicate the game of red light, green light.

The universally known traffic light has not experienced a significant redesign in almost 100 years, ever since William Pott, a Detroit police officer, created the first three-section traffic light ...

A new paper from the Institute of Electrical and Electronics Engineers tackles that problem head-on by proposing a fourth light on our familiar tri-colored traffic lights specifically for ...

At first glance, traffic lights are stunningly simple: green means go, red means stop, and yellow means it’s about to turn red. But like cars, phones, and just about everything else on this ...