474.08 PARKING; LOCKS.
   (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.
Penalty - see Sections 408.01, 408.02 and 474.10.