Money Clearview, unlike Highway Gothic, is not free. Many states have some signs in each font, due to the replacement of signs during different stages of the Clearview approval/non-approval process. Ohio, where I live, had switched a lot of signs to Clearview, and now it’s started switching back to Highway Gothic (a process that will take decades). Mixed signage Some states use Clearview and some states don’t. It has had some non-highway use, such as AT&T corporate applications and advertising, and signs at Dallas-Fort Worth International Airport. In 2011, Clearview became the first digital font to be made part of the Cooper Hewitt, Smithsonian Design Museum. However, a bill was introduced in April this year asking Congress to approve Clearview for positive contrast signs. By 2014, there was a government-level move to stop using it, and by 2016 it was deauthorized. But it was never approved for black on a light background, although some agencies used it this way. On and off In 2004, Clearview was provisionally approved by the Federal Highway Administration for use on positive signs (light characters on a dark background). Below, Highway Gothic and Clearview alphabets compared. The overall effect is intended to be increased legibility. The space inside letters like “e,” “a” and “d” is much larger. Clearview was designed to address the use of uppercase and lowercase characters with larger counter spaces and increased x-height. Upper and lower The existing road sign typefaces were used in a system where originally almost every word was capitalized. Unfortunately, further testing suggested that it might not be as effective at night as the original signs, despite the fact that a goal of the new design was to reduce excessive glow on reflective signs. A later test showed an improvement of as much as 12 percent. Initial testing showed Clearview to be 2 to 8 percent more legible. Typeface upgrade In the 1990s, Clearview (or ClearviewHwy) was designed to replace the existing road sign typeface, the Standard Highway Alphabet (or Highway Gothic). National Highway System, and the typeface that is used on them is the subject of a long-running argument about the attributes of two informational fonts.
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