Unless you’re a traffic engineer, or freshly done studying for your learner’s permit, you might not have the meaning of every street sign memorized. Sure, you’ll remember the most important ones, like ...

Traffic signs have to communicate crucial information quickly and simply, to anyone who might be on the road. They use letters and numbers to lay out information in plain language but they also use ...

As millions of Americans look toward another season of winter driving, they may see a sign with a cryptic warning: "Bridge Freezes before Road." Or perhaps the sign reads "Bridge Ices Before Road" or ...