What is the significance of the 'design vehicle' in highway geometric design?

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Question: What is the significance of the \'design vehicle\' in highway geometric design?

Options:

Correct Answer: It influences lane width and turning radii

Solution:

The design vehicle is used to influence lane width and turning radii to ensure that the roadway can accommodate the largest expected vehicles.

What is the significance of the 'design vehicle' in highway geometric design?

What is the significance of the 'design vehicle' in highway geometric design?

Step 1: Understand what a design vehicle is. It is the largest type of vehicle that is expected to use the road.
Step 2: Recognize that the design vehicle affects how wide the lanes need to be. Wider lanes help larger vehicles fit comfortably.
Step 3: Learn that the design vehicle also influences the turning radii. This means how sharp or wide the turns need to be for larger vehicles to navigate safely.
Step 4: Realize that using the design vehicle helps ensure safety and efficiency on the road by accommodating the largest vehicles.

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