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Difficulty: HardRegulatory Signs

An emergency detour directs traffic through an intersection controlled by a posted regulatory YIELD sign. As a driver approaches the intersection, a uniformed law enforcement officer on scene explicitly signals for the driver to come to a complete stop and wait. Which action is the driver legally required to take?

  1. Stop completely as directed by the officer, because manual commands from a traffic officer take precedence over posted regulatory signs.Answer
  2. B
    Slow down and proceed without stopping if no cross-traffic is visible, treating the situation strictly according to the regulatory yield sign rules.
  3. C
    Bring the vehicle to a full stop only if oncoming vehicles are present, assuming the officer is merely supervising the yield sign.
  4. D
    Maintain the posted corridor speed limit and proceed through the junction to avoid slowing down traffic following behind.

Answer

The driver must come to a complete stop as directed by the law enforcement officer, because officer commands override posted regulatory signs.
Under statutory traffic regulations, manual directions given by a uniformed law enforcement officer or traffic control official override all posted regulatory signs, pavement markings, and electronic signals. The driver must obey the officer's command to stop completely regardless of what the static yield sign indicates.

Step-by-Step Solution

1
Identify the conflict between the physical regulatory sign (YIELD) and the active manual signal from the law enforcement officer (STOP).
Recognize that two conflicting control commands exist at the intersection.
Determining control hierarchy is required before deciding on the proper vehicle action.
2
Apply the statutory right-of-way hierarchy rule governing traffic control devices versus officer instructions.
Establish that manual signals given by authorized emergency or police personnel supersede all static traffic signs and automated signals.
Law enforcement directives are legally binding over existing static infrastructure.
3
Execute the driver action mandated by the highest-priority controller.
Bring the vehicle to a complete stop and await further instruction from the officer.
Full compliance with the officer ensures intersection safety and legal adherence.

Key Concept

Priority of Traffic Controls and Officer Directives
Estimated Time:1m 30s
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Topics

Regulatory Signs

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