A vertical sag curve has a descending grade of-1.5% and an ascending grade of +3.5%. If the sag curve has a length of 185m, compute the length of the sight distance.

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Drainage of Pavements

Pavement Drainage holds ample significance, as it prevents the accumulation of water or any liquid on the surface of pavements and ensures proper drainage system. With proper design and gradual slopes provided, the water gets easily removed from the surface into the drains, which are essential during heavy rains and unusual weather conditions keeping it less prone to accidents and increasing the durability of the pavement structure.