Civil Engineering - Tunnelling - Discussion

Discussion :: Tunnelling - Section 1 (Q.No.20)

20. 

The advantages of providing a pair of tunnels as compared to only one large highway tunnel is :

[A]. economy in cost of construction
[B]. avoidance of head on collisions
[C]. provision of separate exit and entrance of two traffic streams
[D]. facility in carrying out repairs
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

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