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 ...

US Route 20 starts in Boston, Massachusetts, and ends in Newport, Oregon. It's America's longest highway, measuring approximately 3,365 miles. However, nobody needs to drive for almost four days to ...

Giant digital screens will flash warnings of potential traffic snarls starting Tuesday, advising motorists to slow down along U.S. Highway 95 while approaching the Spaghetti Bowl in downtown Las Vegas ...