Civil Engineering - Highway Engineering - Discussion

Discussion Forum : Highway Engineering - Section 4 (Q.No. 44)
44.
If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is
both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Burhan said:   4 years ago
For overtaking/intermediate sight distance.

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

Mohit singh said:   6 years ago
Its A, since L>S.

Anuj nehra said:   7 years ago
option B should be 2S- not 25-.

Deep said:   7 years ago
It's not 25.

It is 2S - 4.4/N if L<S
Then the answer is both a & b.

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