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 ...

Distance signs on the highway tell you important information, including how far you are from your destination, where the next exit is, or when to expect a rest stop. These signals aren't always ...

Red means “stop,” but what about blue? Drivers are noticing more than one stop sign color. Here’s where you might mind different colors and what they mean. You don’t even have to read the word “stop” ...

A thin film that reflects light in intriguing ways could be used to make road signs that shine brightly and change color at night, according to a study that will be published on Aug. 9 in Science ...

Question: I know you’ve wrote about regulatory and warning type signs before. Can you write about what some of the other signs when it comes to services and guidance? A portion of state statutes were ...