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

Imagine you’re driving down West Avenue in Miami Beach when you come upon a highlighter-yellow traffic sign in a crosswalk. The sign is waist-high and rectangular — about a foot wide and three feet ...

Pity the poor yellow traffic light, an unappreciated, often unheeded tier of traditional traffic signal arrays. Glowing steady, the driver license manual says it means you must stop if you can stop ...

Q: Regarding the $300 fine for speeding in construction zones, I know the white-and-black speed limit sign is the posted legal speed limit. But are orange signs supposed to be advisory or warning ...

We all know the rules of the road when it comes to speeding. White speed limit signs with black lettering are plastered along roadways letting drivers know how fast they’re allowed to go. And going ...

Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration. They are posted for “a small portion ...