Traffic lights are both common and controversial. From a city that only allowed green lights for drivers staying inside the speed limit, to the ethics of turning right on red, there are a ton of ways ...

There are many drivers who often bemoan the very existence of traffic lights. Despite incurring the daily ire of commuters who are running late for work, even those haters have to acknowledge the ...

Look closely, and you might find that there are more variations in traffic lights than you realized. Some have white lights that aren't meant for car drivers, while others have inconspicuous white ...

As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation. Researchers ...

Forbes contributors publish independent expert analyses and insights. Nicole Kobie is a tech and transport journalist based in London. "The AI makes a decision about each of the allowable combinations ...

An illustration of the Westminster semaphore from the January 16, 1869, issue of the Illustrated Times The British Newspaper Archive Even before there were cars, there was treacherous traffic in ...

Researchers are exploring ways to use features in modern cars, such as GPS, to make traffic safer and more efficient. This undated photo provided by the University of Michigan College of Engineering ...