Highway Engineering
The maximum number of vehicles beyond which the rotary may not function efficiently is

5000 vehicles per day
5000 vehicles per hour
500 vehicles per hour
500 vehicles per day

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Highway Engineering
The direct interchange ramp involves

diverging to the right side and merging from right
diverging to the left side and merging from left
diverging to the left side and merging from right
diverging to the right side and merging from left

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