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 ...

Portable signs that show drivers a digital readout of their speed and tell them to slow down if they’re speeding are a common site on the road today. In some places, those signs will now tell ...

KNOX COUNTY, Tenn. — Traffic signs help guide drivers safely through intersections, neighborhoods and construction zones. But few people stop to consider where those signs come from — or who’s behind ...