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What will be the maximum superrelevation in hills on Major District roads?(a) 4 in 30(b) 1 in 10(c) 1 in 4(d) 1 in 60I have been asked this question at a job interview.I would like to ask this question from General Specifications of Modern Road topic in section Specifications, Estimation of Quantities of Materials and Transport of Civil Engineering Drawing

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Right answer is (b) 1 in 10

To explain I would say: To counter-act the effect of centrifugal FORCE and reduce the tendency of vehicle to OVERTURN and to skid laterally outwards, PAVEMENT outer EDGE is raised with respect to inner edge. Thus, providing a transverse slope is known as Super elevation. It is represented by “ E ”.



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