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 . Sub. (2) is violated when 2 persons ride on a single bicycle designed for one person to which an additional seat, but no footrests or handgrips, has been added. 61 Atty. Gen. 360.