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What is the function of a clear zone in highway design?

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Question: What is the function of a clear zone in highway design?

Options:

  1. To provide space for emergency vehicles
  2. To enhance aesthetic landscaping
  3. To reduce the risk of roadside hazards
  4. To increase traffic flow

Correct Answer: To reduce the risk of roadside hazards

Solution:

The clear zone is an area free of obstacles that provides a recovery area for errant vehicles, thereby reducing the risk of roadside hazards.

What is the function of a clear zone in highway design?

Practice Questions

Q1
What is the function of a clear zone in highway design?
  1. To provide space for emergency vehicles
  2. To enhance aesthetic landscaping
  3. To reduce the risk of roadside hazards
  4. To increase traffic flow

Questions & Step-by-Step Solutions

What is the function of a clear zone in highway design?
  • Step 1: Understand what a clear zone is. It is an area next to the highway.
  • Step 2: Know that the clear zone should be free of obstacles like trees, signs, or barriers.
  • Step 3: Realize that the purpose of the clear zone is to give drivers space to recover if they go off the road.
  • Step 4: Recognize that having a clear zone helps reduce the chances of accidents and injuries from hitting roadside hazards.
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