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Highway Engineering - Engineering

Q1:

According to the recommendations of Nagpur Conference, the width formation of an ideal National Highway in hard rock cutting, is

A 8.9 m

B 7.9 m

C 6.9 m

D 6.5 m

E 7.5 m

ANS:B - 7.9 m

Formation width =lane width + separator width + shoulder width on either side.
= 3.5 + 3.5 + 0.9 = 7.9.