The growing importance of road transport vis-a-vis rail transport is rooted in
A. Construction cost of roads is much lower than that of railway lines
B. Roads can traverse comparatively more dissected and undulating topography
C. Roads can negotiate higher gradients of slopes and as such can traverse mountains such as the Himalayas
D. All of these
Answer:D
The growing importance of road transport vis-a-vis rail transport is rooted in
A. Construction cost of roads is much lower than that of railway lines B. Roads can traverse comparatively more dissected and undulating topography C. Roads can negotiate higher gradients of slopes and as such can traverse mountains such as the Himalayas D. All of these