The camber (cross-slope) provided on road surface in the transverse direction is primarily to:
Choose the correct answer
Increase the pavement strength
Drain rainwater off the road surface quickly
Increase the riding comfort
Compensate for superelevation on curves
Correct Answer
B. Drain rainwater off the road surface quickly
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Camber (crown) = transverse slope from the centerline to the edge, typically 2-3% for bituminous roads and 2.5-3% for gravel/WBM. It ensures surface water drains to the edge quickly, preventing waterlogging which weakens the pavement.
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