A Stone Matrix Asphalt (SMA) pavement laid at Parimal Underpass in Ahmedabad Municipal Corporation has completed 7 years. The underpass, which used to get submerged under almost 2m depth of water due to waterlogging in the monsoons every year, has not shown a single pothole, and the surface looks as good and smooth as when it was first laid. With the Indian government intending to build roads connecting every town of India, it is essential to make them maintenance-free as well.
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