What is the purpose of superelevation in highway design?

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Question: What is the purpose of superelevation in highway design?

Options:

Correct Answer: To counteract centrifugal force

Solution:

Superelevation is used to counteract centrifugal force on curves, helping vehicles maintain speed safely.

What is the purpose of superelevation in highway design?

What is the purpose of superelevation in highway design?

Step 1: Understand that when a vehicle goes around a curve, it experiences a force pushing it outward, called centrifugal force.
Step 2: Realize that this force can make it hard for vehicles to stay on the road, especially at higher speeds.
Step 3: Learn that superelevation is the banking of the road at a curve, meaning the road is tilted to one side.
Step 4: Know that this tilt helps counteract the centrifugal force, allowing vehicles to maintain their speed safely without sliding off the road.
Step 5: Conclude that the purpose of superelevation is to improve safety and comfort for drivers when navigating curves.

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