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What are the upper limit and the lower limit of the traffic volume for the installation of a traffic rotary?

What are the upper limit and the lower limit of the traffic volume for the installation of a traffic rotary? Correct Answer 3000 and 500 vehicles per hour

The upper limit and the lower limit of the traffic volume for the installation of a traffic rotary is 3000 and 500 vehicles per hour. Not every location is suitable for a rotary. Rotaries are also suitable when the traffic entering from all the four approaches are comparatively equal.

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