If N is deviation angle the length L of a parabolic vertical curve for overtaking sight distance S, is (A) NS²/9.6 if L > S (B) NS²/9.6 if L < S (C) 2S - 9.6/N if L < S (D) Both (A) and (C)

If N is deviation angle the length L of a parabolic vertical curve for overtaking sight distance S, is
(A) NS²/9.6 if L > S
(B) NS²/9.6 if L < S
(C) 2S - 9.6/N if L < S
(D) Both (A) and (C)
by

1 Answer

Answer :

Answer: Option D
by

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If N is the algebraic difference of grades, S is the minimum sight distance in metres, the length (L) of a summit curve is (A) NS/4 (B) NS²/4 (C) N²S/4(D) (NS)²/4

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