Guide signs are green, but highway signs also come in many other colors. As previously mentioned, you can find yellow, orange ...

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 ...

Highway signs are a ubiquitous part of America's infrastructure iconography. The U.S. highway shields are probably the most well-known mass-produced piece of aluminum in the country. However, the ...