Find the minimum radius of a freeway that has a design speed of 120 km/hr, a maximum superelevation rate of 8% (i.e. emax= 8%). Use a maximum side friction coefficient value of 0.09 (i.e. fmax=0.09 for a design speed of 120 km/hr). Also for the same freeway, find the superelevation for a curve that has a radius of 900m. TRANSPORTATION ENGINEERING-II

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Q: the required superelevation is

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