The sign in the image indicates that:

The sign in the image indicates that:
A)A mandatory carriageway for motor vehicles, except two-wheeled motorcycles, begins.
B)Motor vehicles, except two-wheeled motorcycles, are prohibited from travelling.
C)End of mandatory carriageway for motor vehicles, except two-wheeled motorcycles.Correct
Sign R-507, "End of mandatory carriageway for motor vehicles, except two-wheeled motorcycles", marks the point from which a mandatory carriageway for motor vehicles, except two-wheeled motorcycles and assimilated three-wheeled vehicles, no longer applies.