What is the purpose of using a vertical curve in highway design?

Practice Questions

Q1
What is the purpose of using a vertical curve in highway design?
  1. To improve drainage
  2. To enhance aesthetics
  3. To provide a smooth transition between grades
  4. To increase lane width

Questions & Step-by-Step Solutions

What is the purpose of using a vertical curve in highway design?
  • Step 1: Understand that highways have different slopes or grades, which can be steep or flat.
  • Step 2: Realize that when a highway changes from a steep slope to a flat area (or vice versa), it can be jarring for drivers.
  • Step 3: Learn that a vertical curve is a smooth, curved section that connects these different grades.
  • Step 4: Know that vertical curves help drivers adjust to the change in slope gradually, making it more comfortable.
  • Step 5: Remember that these curves also improve safety by allowing drivers to see further ahead and react better to changes in the road.
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