The primary purpose of a road drainage system is to remove the water from the road and its surroundings. The road drainage system consists of two parts: dewatering and drainage. “Dewatering” means the removal of rainwater from the surface of the road. “Drainage” on the other hand covers all the different infrastructural elements to keep the road structure dry.
To maintain the stability and durability of the road, the road surface and its foundation should be kept as dry as possible. This practice is only possible with the proper and working road drainage system. Moreover, good drainage of roads helps to maintain highway transportation with minimal cost.
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