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 ...

In a viral video, which showed clips of US motorway signs, he said: "Have you noticed most highway signs are green. "Well, the reason for this is actually pretty important." ...

The typeface you see on those big, green signs is aptly called Highway Gothic. The first research for its use as a freeway sign was in California starting in 1949.

CROW AGENCY, Mont. - The green exit signs along Interstate 90 let travelers know they're approaching Crow Agency. But what is Baaxuwuaashe?

The U.S. Department of Transportation is proposing to convert the kilometer-based signage along Interstate 19 to the standard U.S. system of miles, drawing criticism from the Green Valley community.

When driving on an interstate or any other major highway, you may see a sign directing you to a different city or another roadway. Most of these signs are green.