Many of America's highway signs were subsequently updated; if you've driven in Pennsylvania, Texas, or some 20 other states, you've probably seen the typeface yourself.

The font, designers say, is Futura, “a staple of graphic communication,” according to Allan Haley, director of words and letters at font technology company Monotype.

The styling of the font name, "XBAND Rough" with the first noun in all-caps, calls to mind the early online gaming network XBAND, launched in 1994 and discontinued in 1997.