raw a neat, labelled sketch of the cross section through a dual carriageway of a 4- lane rural road with a depressed median showing all the cross-sectional elements clearly labeled. Your sketch must show the following elements: road reserve, road prism, roadbed, verges, median,

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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.