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Massachusetts Class D Learner's Permit Exam
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Warning, Construction & Information SignsStandalone practice
What is the general purpose of a yellow diamond-shaped traffic sign?

Correct answer: Warn of a hazard or changing roadway condition ahead.
Why
Yellow diamond signs prepare drivers for hazards or changes ahead so they can reduce speed and respond safely.
Verified against Massachusetts Driver’s Manual · Warning signs · p. 92, 94
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