What is the maximum grade recommended for a highway?

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Question: What is the maximum grade recommended for a highway?

Options:

Correct Answer: 5%

Solution:

The maximum grade recommended for a highway is typically around 5% for safety and comfort.

What is the maximum grade recommended for a highway?

What is the maximum grade recommended for a highway?

Step 1: Understand what 'grade' means. Grade refers to the steepness of a road, usually expressed as a percentage.
Step 2: Know that a 5% grade means that for every 100 units you move horizontally, the road rises or falls 5 units.
Step 3: Recognize that a lower grade is generally safer and more comfortable for drivers.
Step 4: Learn that highway engineers recommend a maximum grade of around 5% to ensure safety and comfort for all vehicles.

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