The main purpose of camber on a road is to:, Increase speed, Provide drainage, Reduce pavement thickness, Improve lighting, The standard width of a single-lane road in India is generally:, 2.5 m, 3.75 m, 5.5 m, 7.0 m, The highest point on the center of a road surface is called:, Shoulder, Kerb, Crown, Median.

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