Conspicuity for signage is determined by the contrast between the sign and its background. A sign must be conspicuous first, because, without it, the sign’s legibility and readability are moot points. While the appropriate size for signs is addressed on this website under the heading “How big should a sign’s letters be?”, conspicuity includes factors […]
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How Big Should a Sign’s Letters Be?
Signs need to be legible and readable, for both pedestrians and motorists. But the safety consideration becomes paramount for the latter. Consequently, the Federal Highway Administration (FHWA) sets minimum standards for the letters that appear on the interstate signs that say “Cincinnati” and “Second St.” and “Next Exit.” These standards are outlined in the FHWA-produced […]
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