According to IRC : 52-1973, for a single lane National Highway in hilly region,
(A) Width of the carriageway must be 3.75 m
(B) Shoulders on either side must be 1.25 m
(C) Total width of the road-way must be 6.25 m
(D) Total of the above
(A) Width of the carriageway must be 3.75 m
(B) Shoulders on either side must be 1.25 m
(C) Total width of the road-way must be 6.25 m
(D) Total of the above