The story
At first, it seems like something is wrong. A stop sign is supposed to be red, and for most drivers that color is one of the clearest and most recognizable symbols on the road. So when someone suddenly comes across a blue stop sign, the reaction is often immediate confusion. Some assume it must be fake, faded, or placed there by mistake. In reality, though, that unusual color is usually intentional and serves a different purpose from the standard red sign people know so well.
A red stop
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