(a) Every person operating a bicycle upon a roadway shall ride as near to the right side of the roadway as practicable, obeying all traffic rules applicable to vehicles and exercising due care when passing a standing vehicle or one proceeding in the same direction.
(b) Persons riding bicycles or motorcycles upon a roadway shall ride not more than two abreast in a single lane, except on paths or parts of roadways set aside for the exclusive use of bicycles or motorcycles. (ORC 4511.55)