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Difficulty: MediumRegulatory Signs

While driving on a multi-lane highway posted with a rectangular white regulatory sign reading 'SLOWER TRAFFIC KEEP RIGHT', a driver is traveling below the normal speed of traffic flow. Which of the following actions is the driver legally required to take?

  1. Move into the right-hand lane to allow faster-moving vehicles to pass safely on the left.Answer
  2. B
    Remain in the left lane as long as their vehicle is traveling exactly at the posted maximum speed limit.
  3. C
    Pull onto the paved right shoulder and come to a complete stop until all traffic passes.
  4. D
    Cross into the left shoulder lane to clear the path for passing vehicles.

Answer

Move into the right-hand lane to allow faster-moving vehicles to pass safely on the left.
Rectangular white signs are regulatory signs that convey enforceable traffic laws. The 'SLOWER TRAFFIC KEEP RIGHT' sign explicitly requires drivers moving slower than the normal flow of traffic to move to the right-hand lane, allowing faster vehicles to pass on the left.

Step-by-Step Solution

1
Identify the sign category and meaning
Recognize that a rectangular white sign displaying 'SLOWER TRAFFIC KEEP RIGHT' is a mandatory regulatory sign governing lane position.
White rectangular signs inform drivers of enforceable traffic laws rather than advisory warnings.
2
Evaluate current driving conditions relative to the sign mandate
Determine that traveling below the speed of surrounding traffic places the driver under the scope of this regulatory command.
Impeding normal traffic flow in the left lanes increases rear-end collision risks and creates traffic hazards.
3
Select the proper legal driving maneuver
Change lanes safely into the right-hand lane when clear.
Keeping right allows faster vehicles to pass on the left, fulfilling the legal duty imposed by the regulatory sign.

Key Concept

Regulatory Sign Compliance for Highway Lane Use
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Topics

Regulatory Signs

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