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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) roundaboutI 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

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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