Q.

The extra width of pavement is provided on                        

A. horizontal curve
B. width of pavement
C. length of pavement
D. super elevation
Answer» A. horizontal curve
Explanation: extra width of the pavement is provided on horizontal curve to avoid the skidding, if the vehicle negotiates the curve then the centrifugal force will act towards outside and there is a chance of skidding, to avoid this extra width is provided.
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