What does this sign indicate?
A)That the road will have a single direction of travel.
B)The proximity of a motorway entry lane.
C)That the right-hand lane is about to end.Correct
The sign in the question pre-signals the lane that is about to become unusable, indicating the necessary lane change.
That the road is one-way could be indicated by the following sign:
That the road is one-way could be indicated by the following sign: