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What is the relationship between design speed and curve radius?

31. What is the relationship between design speed and curve radius?

1. As design speed increases, curve radius decreases
2. As design speed decreases, curve radius decreases
3. Curve radius remains constant regardless of design speed
4. There is no relationship between design speed and curve radius

Answer

The correct answer is: A) As design speed increases, curve radius decreases

Explanation

Higher design speeds require larger curve radii to ensure safe navigation.