There have been six variations of Highway Gothic. In recent years, the standard typeface for guide signs for higher-speed highways is the Series E or Series E(M) of Highway Gothic. In 2004 ...

Just 12 years later, the FHWA is changing course: Highway Gothic is the only font for ... “The narrower series of the alternative alphabets were not developed for and are not recommended for ...

The first is below, the rest are after the jump: Highway Gothic (formally known as FHWA Series) is a typeface, not a font. I probably won’t be the only geek to point this out. Indeed.

and all new highway signs again be labeled in Highway Gothic, the old standard font. “This is a good move by FHWA,” said Colorado Department of Transportation spokesperson Amy Ford.