Which statement about road construction zones is correct?
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These zones have lower collision risks than regular roads.
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Reduced speeds are only required when workers are visible.
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Traffic signals take priority over flaggers' directions.
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You must follow flaggers' instructions over existing traffic signs.
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Explanation
Construction zones require special caution. Flaggers (construction workers directing traffic) have legal authority over all posted signs and signals - drivers must obey their instructions immediately. These areas present increased hazards due to lane shifts or sudden closures, uneven surfaces and debris, moving equipment and workers. All drivers should reduce speed before entering the zone, maintain extra following distance and stay alert for unexpected changes.
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