Q. What is the function of a roundabout?
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A.
To increase traffic speed
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B.
To reduce vehicle collisions
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C.
To eliminate traffic signals
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D.
To provide pedestrian crossings
Solution
The primary function of a roundabout is to reduce vehicle collisions by allowing continuous flow of traffic without the need for traffic signals.
Correct Answer:
B
— To reduce vehicle collisions
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Q. What is the primary purpose of a traffic impact study?
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A.
To assess environmental effects
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B.
To evaluate road safety
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C.
To analyze the effects of a new development on traffic
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D.
To determine pavement materials
Solution
The primary purpose of a traffic impact study is to analyze the effects of a new development on existing traffic patterns and conditions.
Correct Answer:
C
— To analyze the effects of a new development on traffic
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Q. Which design element is crucial for ensuring safe sight distance on highways?
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A.
Lane width
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B.
Vertical alignment
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C.
Shoulder width
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D.
Pavement texture
Solution
Vertical alignment is crucial for ensuring safe sight distance on highways, allowing drivers to see ahead clearly and react to obstacles.
Correct Answer:
B
— Vertical alignment
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Q. Which of the following is a common method for measuring traffic flow?
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A.
Pavement condition surveys
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B.
Traffic counts
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C.
Geometric design analysis
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D.
Signal timing studies
Solution
Traffic counts are a common method for measuring traffic flow, providing data on the number of vehicles passing a point over a specific time period.
Correct Answer:
B
— Traffic counts
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