Question

A simple highway curve is planned to connect two horizontal tangents that intersect at sta 2500 + 00.00 at an external angle of 52°. For a design speed of 60 mph and a curve radius of 1.25 times the minimum allowable radius, calculate the design rate of superelevation. (Hint - you will need to assume a maximum superelevation rate to get the minimum radius.)

Answer 1

Answer:

Design rate of superelevation= 3.4%

Explanation:

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