§ 373.09  PARKING OF BICYCLE.
   (a)   No person shall park a bicycle upon a sidewalk in such a manner as to interfere with pedestrian traffic or damage the property of another.
   (b)   No person shall park a bicycle upon a roadway in such a manner as to interfere with vehicular traffic.
   (c)   No bicycle shall remain unlocked when parked upon any public way or place.