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Difficulty: MediumSpeed Control and Following Distance

While driving at 55 mph55\text{ mph} on a multi-lane highway, another vehicle abruptly merges into the gap directly in front of you, reducing your following distance to less than one second. According to safe driving practices, which of the following is the correct response?

  1. Gradually ease off the accelerator to drop back until a safe following distance is re-established.Answer
  2. B
    Maintain your current speed and sound your horn until the merging driver accelerates to widen the gap.
  3. C
    Apply firm braking pressure immediately to instantly regain a three-second following gap.
  4. D
    Swerve quickly into an adjacent lane to pass the vehicle and maintain your original momentum.

Answer

Gradually ease off the accelerator to drop back until a safe following distance is re-established.
Gradually easing off the gas pedal allows your vehicle to slow down smoothly, expanding the separation between vehicles back to a safe standard without disrupting traffic behind you.

Step-by-Step Solution

1
Assess the reduced space cushion ahead.
Identify that the following distance has dropped below the minimum safe threshold of 3 to 4 seconds.
Recognizing a shortened buffer zone is critical for maintaining safe stopping distances.
2
Execute controlled speed reduction.
Gently release pressure on the gas pedal to allow space to open up naturally.
Smooth deceleration increases the gap safely without surprising trailing drivers.

Key Concept

Re-establishing space cushions smoothly when cut off in traffic to maintain safe speed control.
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Topics

Speed Control and Following Distance

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