Wayfinding Sans Pro [1] &amp; [2] from Rulf Herrmann looks like it would be good.  It&#x27;s quirky but with a purpose, to lessen ambiguity by exaggerating unique qualities of a glyph under harsh visibility [not seen it in action on highways in the dark] but will say the current Clearview has something to be desired.  In the rain at night letters merge and become hard to distinguish from similar letters [lower case i looks like it could be lower case l under some lighting conditions, for example, if there isn&#x27;t an l to contrast it with]<p>[1]<a href="http:&#x2F;&#x2F;ilovetypography.com&#x2F;2012&#x2F;04&#x2F;19&#x2F;the-design-of-a-signage-typeface&#x2F;" rel="nofollow">http:&#x2F;&#x2F;ilovetypography.com&#x2F;2012&#x2F;04&#x2F;19&#x2F;the-design-of-a-signag...</a><p>[2]<a href="http:&#x2F;&#x2F;www.fonts.info&#x2F;store&#x2F;index.php&#x2F;en&#x2F;fonts&#x2F;wayfinding-sans.html" rel="nofollow">http:&#x2F;&#x2F;www.fonts.info&#x2F;store&#x2F;index.php&#x2F;en&#x2F;fonts&#x2F;wayfinding-sa...</a>