Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has a big role in getting us where we need to go safely. Why are highway signs ...

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 ...

If you ever wondered why the signs that you see on the highway, particularly green, here are some safety-based reasons you ...

(NEXSTAR) – Only those with an acute attention to detail have noticed something wonky has been happening to signs on U.S. freeways and interstates over the past several years. Federal highway ...