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 concept of the traffic light actually dates all the way back to the 1860s, where gas-lit signals were placed on the posh streets that lined the Houses of Parliament in London. Of course, back then ...

(KGTV) — With a heat wave gripping the country, a picture going around social media claims to show a metal traffic light that melted in the heat. Different posts claim this happened everywhere from ...

(WHTM) — We see traffic lights all the time. Sometimes we get green lights, and sometimes we hit all the red lights on our commute to work. But, while sitting at a red light, have you ever wondered ...

Small cameras mounted on top of traffic lights have become a pretty common sight in the U.S., as they can be found in almost every state. It continues to get more common, as the number of traffic ...

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 ...