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| By allowing a viewer to read the footprint
of the word when displayed in upper and lower case letters, there is
an increase in accuracy, viewing distance and reaction time when compared
to all uppercase. The research showed that when the original version
of upper/lower case Clearview-Condensed (top position, original version
of typeface) is compared to FHWA Series D, the most commonly used all
capital letter typeface (bottom position), there was a 14% increase
in recognition when viewed by older drivers at night, with no loss of
legibility. |
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Clearview-Condensed (upper position, original version of typeface) vs FHWA Standard Alphabets Series D (lower position)
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