Signs can guide us, and signs can explain things to us, but sometimes, signs can also confuse us. There are more than 40 million signs on the roads of the United States, and some of them can give ...

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 ...

Heck, even a toddler can tell you that stop signs are red. That’s because since the 1950s, red has been the required background color for all government-regulated stop signs in the United States. But ...

As millions of Americans begin 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 even ...