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What is the primary purpose of horizontal alignment in highway geometric design?

Practice Questions

Q1
What is the primary purpose of horizontal alignment in highway geometric design?
  1. To improve vehicle speed
  2. To enhance driver visibility
  3. To ensure safe vehicle maneuvering
  4. To reduce construction costs

Questions & Step-by-Step Solutions

What is the primary purpose of horizontal alignment in highway geometric design?
  • Step 1: Understand that horizontal alignment refers to the layout of the road in a side view, focusing on curves and straight sections.
  • Step 2: Recognize that vehicles need to navigate curves safely to avoid accidents.
  • Step 3: Realize that proper horizontal alignment helps maintain vehicle control during turns.
  • Step 4: Acknowledge that good design minimizes sharp turns and ensures smooth transitions between straight and curved sections.
  • Step 5: Conclude that the primary purpose of horizontal alignment is to enhance safety and comfort for drivers while navigating the road.
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