If there are no longitudinal road markings on the carriageway, how many lanes will it have?
A)One for each direction.
B)As many as motor vehicles other than motorcycles that fit in parallel.Correct
C)Whatever we deem appropriate.
For lanes to exist they do not need to be marked by road markings.
If they are not marked, there will be as many lanes as motor vehicles, other than motorcycles, that fit in parallel.