Question

Difficulty: HardEmergency Vehicles, School Buses, and Work Zones

You are approaching an active highway work zone where traffic flow is restricted to a single lane and controlled by a human flagger using a STOP/SLOW paddle. Arrange the following driver actions in the correct chronological order from first to last to safely navigate the controlled area.

  1. 1Scan ahead for temporary warning signs and begin reducing speed well before reaching the flagger's position.
  2. 2Bring the vehicle to a complete stop at the designated stopping point while the flagger displays the STOP paddle.
  3. 3Remain completely stopped until the flagger rotates the paddle to SLOW and gives a clear hand gesture to proceed.
  4. 4Drive through the single-lane work zone at the posted work zone speed limit while keeping a safe distance from workers and equipment.

Answer

The correct chronological sequence is: (1) Scan ahead and begin reducing speed well before the flagger; (2) Bring the vehicle to a complete stop while the STOP paddle is displayed; (3) Remain stopped until the flagger displays SLOW and signals to move; and (4) Drive cautiously through the single-lane work zone.
The correct order requires early speed reduction upon recognizing work zone advance warnings, stopping completely when the STOP paddle is presented, maintaining position until both the SLOW paddle and explicit hand signals are given, and finally proceeding through the work zone at a safe, reduced speed.

Step-by-Step Solution

1
Identify work zone warnings and reduce speed early.
Vehicle approaches the flagger at a safe, controlled speed.
Allows adequate stopping distance and time to observe flagger instructions.
2
Stop completely before the flagger's position when STOP paddle is shown.
Vehicle comes to a full stop without encroaching on the work area.
Compliance with flagger authority prevents entering occupied or single-lane travel space.
3
Wait for positive signal (SLOW paddle and hand gesture).
Driver verifies the opposite direction is clear.
Flaggers alternate traffic flow; proceeding early risks head-on collision.
4
Proceed cautiously at posted work zone speed.
Vehicle safely navigates past workers and equipment.
Maintains work zone safety until clear of temporary restrictions.

Key Concept

Work Zone Flagger Traffic Control and Right-of-Way Compliance
Estimated Time:2m 0s
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