§ 72.17 RIDING ON ROADWAYS AND BICYCLE PATHS.
   (A)   Each person operating a bicycle upon a roadway shall ride as near to the right-hand side of the roadway as practicable, exercising due care when passing a standing vehicle or one proceeding in the same direction.
   (B)   No person riding a bicycle upon a street or highway shall ride more than two abreast, except on paths or parts of roadways set aside for the exclusive use of bicycles.
   (C)   Whenever a usable path for bicycles has been provided adjacent to a street or highway, bicycle riders shall use such path and shall not use the street or highway.