Section 346.79 - Special rules applicable to bicycles Whenever a bicycle is operated upon a highway, bicycle lane or bicycle way the following rules apply:
(1) A person propelling a bicycle shall not ride other than upon or astride a permanent and regular seat attached thereto.(2)(a) Except as provided in par. (b), no bicycle may be used to carry or transport more persons at one time than the number for which it is designed.(b) In addition to the operator, a bicycle otherwise designed to carry only the operator may be used to carry or transport a child seated in an auxiliary child's seat or trailer designed for attachment to a bicycle if the seat or trailer is securely attached to the bicycle according to the directions of the manufacturer of the seat or trailer.(3) No person operating a bicycle shall carry any package, bundle or article which prevents the operator from keeping at least one hand upon the handle bars.(4) No person riding a bicycle shall attach himself or herself or his or her bicycle to any vehicle upon a roadway.(5) No person may ride a moped or motor bicycle with the power unit in operation upon a bicycle way.1973 c. 182; 1977 c. 288; 1983 a. 243; 1985 a. 298; 1991 a. 316.