In order to give satisfactory service throughout the year, the road surface should -
(a) have a good carriage way
(b) have smooth gradient
(c) have a good wearing surface
(d) all of these.
The correct Answer Is
(d) all of these
(a) have a good carriage way
(b) have smooth gradient
(c) have a good wearing surface
(d) all of these.
The correct Answer Is
(d) all of these