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Highway Engineering - Engineering

Q1:

If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is

A

B

C

D

E both (a) and (b)

ANS:E - both (a) and (b)

For overtaking/intermediate sight distance.

L = NS^2/9.6 (L>S).
L = 2S-9.6/NS (L<S).