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Difficulty: MediumRegulatory Signs

While traveling in the leftmost lane of a multi-lane highway, a driver observes a white rectangular regulatory sign reading 'SLOWER TRAFFIC KEEP RIGHT' while vehicles approach from behind at a higher rate of speed. Which of the following actions is legally required of the driver?

  1. Safely change lanes into a right lane as soon as possible to clear the left lane for passing traffic.Answer
  2. B
    Remain in the left lane at the current speed, provided the vehicle is already traveling at the maximum posted speed limit.
  3. C
    Pull onto the right paved shoulder and come to a complete stop until all trailing traffic passes.
  4. D
    Exceed the posted speed limit to maintain distance from trailing vehicles while staying in the left lane.

Answer

The driver must safely change lanes into a right lane as soon as possible to allow faster traffic to pass.
Vertical white rectangular signs convey enforceable traffic laws. The 'SLOWER TRAFFIC KEEP RIGHT' regulatory sign mandates that any vehicle traveling slower than the surrounding traffic flow must vacate the left lane by moving into a lane further to the right when it is safe to do so.

Step-by-Step Solution

1
Identify the type and mandate of the sign.
A white rectangular sign reading 'SLOWER TRAFFIC KEEP RIGHT' is a regulatory sign, meaning its instructions are legal requirements.
Regulatory signs inform drivers of specific traffic laws and lane usage mandates that must be obeyed.
2
Evaluate the current traffic condition against the sign mandate.
The vehicle in the left lane is traveling slower than trailing traffic.
When vehicles approach from behind at a higher speed, the driver in the left lane is considered slower traffic relative to the flow.
3
Determine the required driving action.
The driver must signal, check blind spots, and safely move into an available lane to the right.
Clearing the left lane allows traffic to pass safely on the left as required by standard traffic control regulations.

Key Concept

Understanding lane-use regulatory signs and the requirement for slower vehicles to yield left lanes to faster traffic.
Estimated Time:1m 0s
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Topics

Regulatory Signs

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