Early traffic lights had only red and green, which unsurprisingly made intersections rather chaotic. Who invented the yellow ...

If robotaxis and driverless cars get more popular, we may need to adjust existing infrastructure. One such adjustment is ...

The application has recently been caught testing support for traffic lights; the feature is still in a very limited testing ...

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.

While the universal traffic light design that the entire planet currently uses (still) does its job very well, there are experts who believe that this critical component of today’s traffic should be ...

Late at night, stopped at a traffic light, a driver notices lights on all lanes of travel except their own appear to change ...

(WHTM/NEXSTAR) – On many traffic signals found throughout the United States, there is a small light that is placed in between or off to the side of the traffic signal lights. Sometimes you see them ...

The traffic light in Syracuse, N.Y.'s Tipperary Hill has the green light on top. Irish residents thought red on top ...

I must be penny-wise and pound-foolish. After all, somehow, the small gripes that cost me a few seconds always end up turning into massive research projects. My article in February on Salt Lake City ...

When the traffic lights went out, Waymo’s robotaxis got a little too cautious at intersections. With no red-yellow-green to ...

TAMPA, Fla. — Widespread power outages are not only impacting households and businesses, they're also affecting traffic. Officials have received reports of traffic lights being out across the state, ...

It could be summer by the time the traffic light at the Route 356 and 56 split in Alle­gheny Township is replaced, officials ...