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Difficulty: MediumSpeed Limits and Speed Regulation

A driver is operating a vehicle on a multi-lane highway where the posted speed limit is 55 mph55\text{ mph}. All surrounding traffic is traveling at 70 mph70\text{ mph}. Under speed regulation laws, which of the following statements correctly describes the driver's legal requirement?

  1. The driver must not exceed the posted speed limit of 55 mph55\text{ mph}, regardless of the speed of surrounding traffic.Answer
  2. B
    The driver is legally allowed to travel at 70 mph70\text{ mph} to match the flow of traffic and prevent congestion.
  3. C
    The driver may exceed the posted limit by up to 10 mph10\text{ mph} when driving in the far-left passing lane.
  4. D
    The driver must slow down to 40 mph40\text{ mph} to signal to other drivers that they are exceeding the limit.

Answer

The driver must not exceed the posted speed limit of 55 mph55\text{ mph}, regardless of the speed of surrounding traffic.
The correct answer states that the driver must not exceed the posted speed limit of 55 mph55\text{ mph} regardless of surrounding traffic. Posted maximum speed limits set absolute legal upper limits, and surrounding drivers exceeding the limit does not grant legal permission to speed.

Step-by-Step Solution

1
Identify the posted maximum speed limit.
The maximum legal speed limit posted for the highway is 55 mph55\text{ mph}.
Posted speed limit signs set the maximum legal speed allowed under favorable driving conditions.
2
Evaluate whether surrounding traffic flow permits exceeding posted speed limits.
Traffic flow does not create a legal exemption to exceed posted maximum speed limits.
Driving faster than the posted maximum speed limit remains a traffic violation even if neighboring vehicles are speeding.

Key Concept

Maximum Posted Speed Limits vs. Flow of Traffic
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Topics

Speed Limits and Speed Regulation

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