In work zones, barriers such as drums, panels and cones are used to:
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Keep workers out of the work zone.
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Warn drivers of potentially dangerous conditions.
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Distract drowsy drivers.
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Reduce the flow of traffic.
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Explanation
Barriers such as drums, vertical panels, cones and tubular markers warn drivers of unusual or potentially dangerous conditions in work areas, and are used to guide drivers safely through work zones.
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Other questions in the same category: Safe Driving Through Work Zones
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