What are flashing arrow panels used for?

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To give advance warning and directional information to drivers.
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They are regulatory signs used to indicate that there will be fewer lanes ahead.
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To tell drivers that they should not turn in the direction shown by the panel.
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All of the above.
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Explanation
Flashing arrow panels are commonly used in work zones to provide advance warning and directional guidance, helping drivers merge into the correct lane when necessary. These panels indicate that a portion of the road ahead is closed and direct motorists to move to the right or left. When approaching a flashing arrow panel, slow down and prepare to merge in the indicated direction. If the arrow panel is flashing but does not point left or right, it signals drivers to proceed with caution without requiring a lane change.
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Other questions in the same category: Safe Driving Through Work Zones
Vertical panels, barricades, drums and cones are used to alert drivers and to guide them safely through safely work zones.What is true of work zones:When approaching a construction zone, drivers should:You see a signal person at a construction zone ahead. You should obey a signal person's instructions:Construction zone signs are typically:When driving in work zones, you should:What should drivers do when approaching a construction area?When driving in a construction zone you should:A major cause of rear-end crashes in work zones is:Which of these statements is true about work zones?
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