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What is the minimum horizontal curve radius recommended for a design speed of 60

Practice Questions

Q1
What is the minimum horizontal curve radius recommended for a design speed of 60 mph?
  1. 200 feet
  2. 300 feet
  3. 500 feet
  4. 1000 feet

Questions & Step-by-Step Solutions

What is the minimum horizontal curve radius recommended for a design speed of 60 mph?
  • Step 1: Understand that a horizontal curve radius is the measure of how sharp a curve is on a road.
  • Step 2: Know that different design speeds require different minimum curve radii for safety.
  • Step 3: For a design speed of 60 mph, refer to guidelines or standards that provide recommended curve radii.
  • Step 4: Find that the recommended minimum horizontal curve radius for 60 mph is typically 500 feet.
  • Step 5: Conclude that using a curve radius of 500 feet will help ensure safe driving at that speed.
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