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A road junction where typically three or more roads are joined by a circular section of road is called _________

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A road junction where typically three or more roads are joined by a circular section of road is called _________

(a) intersection

(b) merging

(c) circulation

(d) roundabout

I have been asked this question in final exam.

I need to ask this question from Estimate of Metalled Roads in portion Road Estimating, Sanitary and Water Supply Work of Civil Engineering Drawing

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Best answer
The correct answer is (d) roundabout

The best I can explain: A roundabout, also called a traffic circle, road circle, rotary, rotunda or island, is a type of circular intersection or junction in which road traffic flows almost continuously in one direction around a central island.

So-called “modern” roundabouts require entering traffic to give way to traffic already in the circle and optimally observe various design rules to increase safety.

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