How does a chevron (arrowhead) alignment sign differ from a standard sharp-turn warning sign?
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Correct answer: B. Chevrons are posted in a group along the curve; a sharp-turn sign is a single advance warning
A sharp-turn sign is a single sign posted in advance of the turn, while chevron signs are posted in a repeated series directly along the curve itself, each arrow pointing the way the road bends so you can track the curve even when you can't see all the way through it.
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