Question

Difficulty: EasyRegulatory Signs

A driver is operating a vehicle in the left lane of a multi-lane roadway and observes a white rectangular regulatory sign reading "SLOWER TRAFFIC KEEP RIGHT." If vehicles behind are traveling faster than the driver, which action must the driver take?

  1. Safely change lanes into a right-hand lane to allow faster traffic to pass.Answer
  2. B
    Remain in the left lane as long as they do not exceed the posted maximum speed limit.
  3. C
    Bring the vehicle to a full stop on the left shoulder until traffic clears.
  4. D
    Accelerate rapidly and overtake vehicles using the right shoulder to clear space.

Answer

The driver must safely change lanes into a right-hand lane to allow faster traffic to pass.
A white rectangular sign displaying 'SLOWER TRAFFIC KEEP RIGHT' is a regulatory sign. Drivers moving slower than the normal flow of traffic are legally required to drive in the right-hand lane or as close as practicable to the right edge of the roadway to allow faster traffic to pass safely.

Step-by-Step Solution

1
Identify the type and mandate of the sign.
The white rectangular sign with black lettering is a regulatory sign commanding slower traffic to occupy right-hand lanes.
White rectangular traffic signs convey enforceable laws and lane control rules.
2
Apply the regulatory requirement to the scenario.
Because traffic behind is moving faster, the driver must move out of the left passing lane.
Left lanes on multi-lane roads are designated primarily for passing; slower drivers must yield the left lane to maintain safe traffic flow.

Key Concept

Regulatory Lane Usage Signs
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