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Roadside Drainage

The importance of adequate and efficient road drainage system and the impact of poor road drainage system on roadway performance have been well recognized in the past. The value of proper road drainage design and its maintenance on road cannot be neglected. Therefore proper planning and design of road drainage system is very important to prevent water from in-filtering the road surface, remove it from driving lanes, and carry it away from the roadway. The road drainage system includes unlined roadside drains along the road in rural areas, lined drains in urban areas, chute drains at the location of high embankment, median drains / opening in super elevated sections, drainage at toll plaza location, wayside amenities, truck lay by and bus bay and drainage at intersections / interchanges.