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What is the purpose of a sight distance analysis in geometric design?

Practice Questions

Q1
What is the purpose of a sight distance analysis in geometric design?
  1. To determine the cost of construction
  2. To assess the visibility of traffic signs
  3. To ensure drivers can see obstacles in the roadway
  4. To evaluate pavement material performance

Questions & Step-by-Step Solutions

What is the purpose of a sight distance analysis in geometric design?
  • Step 1: Understand that sight distance is how far a driver can see ahead on the road.
  • Step 2: Realize that good sight distance helps drivers notice obstacles, other vehicles, and road signs in time.
  • Step 3: Know that sight distance analysis checks if the road design allows for enough visibility.
  • Step 4: Learn that if sight distance is too short, it can lead to accidents because drivers may not have enough time to react.
  • Step 5: Conclude that the purpose of sight distance analysis is to make roads safer by ensuring drivers can see what is ahead.
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