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Difficulty: MediumWork Zone Safety and Construction Hazards

You are driving on a two-lane road at night and approach a single-lane construction zone controlled by a temporary portable traffic signal. The signal displays a solid red light, but an authorized construction flagger standing adjacent to the signal explicitly motions with a flashlight and hand paddle for you to proceed. Which driving action is required in this situation?

  1. Obey the flagger's hand instructions and proceed cautiously through the work zone.Answer
  2. B
    Remain stopped at the solid red light until it turns green, disregarding the flagger's hand gestures.
  3. C
    Treat the location as an uncontrolled four-way stop and proceed whenever you decide it is safe.
  4. D
    Maintain your current speed while flashing high beams to signal construction workers that you are passing.

Answer

Obey the flagger's hand instructions and proceed cautiously through the work zone.
Manual directions provided by authorized flaggers or law enforcement officers take precedence over automated traffic control signals and standard posted signs in work zones.

Step-by-Step Solution

1
Identify the hierarchy of traffic control devices in active work zones.
Manual directions from authorized construction flaggers take legal precedence over automated traffic signals and static posted signs.
Flaggers dynamically monitor real-time hazards, heavy machinery movement, and oncoming lane clear status that fixed signal timers cannot sense.
2
Determine the mandatory driver response to conflicting indications.
Follow the flagger's explicit physical instruction to proceed despite the electronic red light.
The flagger has confirmed that the single-lane corridor is safe and clear for your direction of travel.

Key Concept

Precedence of Flagger Instructions Over Automated Traffic Signals in Work Zones
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Topics

Work Zone Safety and Construction Hazards

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