Highway Engineering - Engineering

Q1:

An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed

A 45 m per km

B 60 m per km

C 75 m per km

D 90 m per km

E 100 m per km

ANS:B - 60 m per km

According to me, 100 m is the correct answer.