A drawing showing the first street crossing ... the first design of the traffic light had a rough start. A gas leak from the supply pipe beneath it triggered an explosion in the traffic light ...

The safety mask isn't Morgan's only invention. Another one, introduced in 1923, was the traffic light that incorporated the potentially life-saving cautionary signal between stop and go.

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.

“Young people can barely make it across the street.” Since the traffic light broke earlier this year, Russo has seen minor accidents but more close calls as drivers either sped through the ...

What do you think of a fourth traffic light color being added to traffic signals for self-driving vehicles to help control traffic flow? I get that one day a bunch of connected autonomous cars may ...