Unlike the elusive blue stop sign, pink traffic signs are more common than you think.And no, you don’t have to hit up the Happiest Place on Earth to see them, like you do with those purple ...

The traffic sign just turned yellow and you find yourself in the “dilemma zone,” where it is too late to stop before the stop line. Would you stop or speed up? Recently, South Korea’s ...

A yellow stop sign is a different story, though—that’s actually a throwback to the early days of traffic control, before stop signs universally became red.