India’s highways continue to expand at a healthy pace. But conversations on the surface quality of highways are growing louder because major deficiencies and black spots continue to be identified, and they are cause for concern.

“Road surface roughness causes vehicle vibrations that, in turn, can affect the performance of drivers,” explains Dr V K Gahlot, Road Safety Auditor, Centre for Research and Sustainable Development (CfRSD). “Continuous exposure may induce fatigue, a contributory factor to road accidents. Road surface roughness also affects the vehicle operating cost.”

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