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Question

Difficulty: MediumRegulatory Signs

A driver is traveling in the far-left lane of a multi-lane highway posted with a regulatory sign reading 'SLOWER TRAFFIC KEEP RIGHT'. The driver is traveling at the posted speed limit of 65 mph, but traffic behind them is accumulating and attempting to move faster. Under traffic regulations governing regulatory signs and lane usage, which of the following actions is the driver required to take?

  1. Move into the right lane as soon as it is safe to do so to allow faster traffic to pass.Answer
  2. B
    Maintain position in the left lane because driving at the maximum posted speed limit grants right-of-way over trailing vehicles.
  3. C
    Come to a complete stop on the left paved shoulder to let the faster vehicles pass around them.
  4. D
    Overtake and pass vehicles on the right shoulder to clear space for traffic following behind.

Answer

Move into the right lane as soon as it is safe to do so to allow faster traffic to pass.
The white rectangular regulatory sign reading 'SLOWER TRAFFIC KEEP RIGHT' explicitly requires drivers traveling slower than the general flow of traffic to move out of the left passing lane and into the right lane as soon as it is safe. Even if the lead vehicle is driving at the posted speed limit, obstructing traffic in the left lane violates regulatory lane control rules.

Step-by-Step Solution

1
Identify the mandate of the posted regulatory sign.
The white rectangular sign reading 'SLOWER TRAFFIC KEEP RIGHT' imposes a mandatory rule of lane discipline.
Regulatory signs inform drivers of specific laws and traffic regulations that must be obeyed.
2
Evaluate the driver's current position relative to surrounding traffic flow.
The driver is in the left passing lane, and faster-moving traffic is accumulating behind their vehicle.
Left lanes are designated primarily for passing; slower-moving traffic relative to the flow must keep to the right lanes.
3
Determine the required legal maneuver.
The driver must signal and safely transition to the right lane.
Yielding the left lane ensures safe traffic flow and satisfies regulatory sign compliance.

Key Concept

Regulatory Signs - Lane Control and Keep Right Mandates
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Topics

Regulatory Signs

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