On stretches with sufficient visibility and without causing congestion, may cyclists ride two abreast, keeping to the right?
A)No, always on the hard shoulder.
B)No, always in single file.
C)Yes.Correct
Vehicles required to use the hard shoulder are prohibited from doing so side by side, except for bicycles, which may ride two abreast, keeping as close as possible to the right edge of the road, and must ride in single file on stretches with limited visibility or when they cause traffic congestion.