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Decoding Road Sign Colors: What They Tell You From a Distance
Red is used exclusively for regulatory road signs prohibiting doing something. So, a stop sign is red because you are prohibited from driving past it without stopping. “Yield,” “do not enter ...
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Why Many Road Signs Are No Longer Written in All Caps
“So, you know that from a distance ... toward mixed-case road signs in the 2009 edition of the Manual on Uniform Traffic Control Devices [PDF], which mandated that the “sign lettering for ...