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  1. For a road with camber of 3% and the design speed of 80 km/hr, the minimum radius of the curve, beyond which NO superelevation is needed, is
    1. 1080 m
    2. 948 m
    3. 406 m
    4. 280 m
Correct Option: B

e + f =
(0.75V)2
127R

0.03 =
(0.75 × 80)2
127 × R

∴ R = 9 uum



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