Discussion :: Tunneling
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The advantages of providing a pair of tunnels as compared to only one large highway tunnel is :
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A.
economy in cost of construction
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B.
avoidance of head on collisions
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C.
provision of separate exit and entrance of two traffic streams
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D.
facility in carrying out repairs
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E.
All the above.
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Answer : Option E
Explanation :
No answer description available for this question.
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