Why Traffic Lights Are Red, Yellow, and Green (And Not Any Other Colors)

Red universally symbolizes danger, making it the obvious choice for the "stop" signal. Psychologically, this bold color ...
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Scientists propose new traffic light color — here’s why

Researchers at North Carolina State University (NC State) are advocating for a significant change in traffic management by proposing the addition of a fourth color to traffic lights: white. This new ...

Why Some Traffic Lights In Canada Are Square And Diamond-Shaped Instead Of Round

These different shapes have been around certain parts of Canada directing traffic for decades. However, they are being slowly phased out for round ones.
Road & Track

Study Proves Stoplights Need a Fourth Color: White

As more self-driving cars enter roadways around the world, many aspects of driving could change forever. More electric vehicles (EVs) and autonomous vehicles (AV) are already leading engineers to ...
Business Insider

The wild traffic hack that could pave the way for self-driving cars

Your browser does not support the video element. Your browser does not support the video element. An icon in the shape of a lightning bolt. Impact Link Someday, maybe ...
HeraldNet

Those blue lights on traffic signals help nab red-light runners

Pull up to an intersection at a red light, eyes ahead, scanning left and right. Maybe the blue light from the traffic signal caught your eyes, like it did for Bob Thompson of Mill Creek. “What is the ...