Q. What is the purpose of a sight distance in geometric design?
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A.
To determine the length of the road
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B.
To ensure drivers can see obstacles in the roadway
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C.
To calculate the pavement thickness
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D.
To assess traffic volume
Solution
Sight distance is critical for ensuring that drivers can see and react to obstacles, enhancing safety on the roadway.
Correct Answer:
B
— To ensure drivers can see obstacles in the roadway
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Q. Which geometric design element is crucial for maintaining vehicle stability on curves?
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A.
Lane width
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B.
Superelevation
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C.
Shoulder width
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D.
Clear zone
Solution
Superelevation is essential for maintaining vehicle stability on curves by counteracting lateral forces acting on the vehicle.
Correct Answer:
B
— Superelevation
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Q. Which of the following factors is most important when designing intersections?
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A.
Aesthetic considerations
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B.
Traffic volume and flow
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C.
Pavement material selection
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D.
Surrounding land use
Solution
Traffic volume and flow are critical factors in intersection design to ensure safety and efficiency in vehicle movements.
Correct Answer:
B
— Traffic volume and flow
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