(1)    In this section, “substandard width lane” means a lane that is too narrow for a bicycle, electric scooter, or electric personal assistive mobility device and a motor vehicle to travel safely side by side within the lane.

   (2)   

      (a)    Any person operating a bicycle, electric scooter, or electric personal assistive mobility device upon a roadway at less than the normal speed of traffic at the time and place and under the conditions then existing shall ride as close as practicable to the right-hand edge or curb of the unobstructed traveled roadway, including operators who are riding 2 or more abreast where permitted under sub. (3), except:

         1.    When overtaking and passing another vehicle proceeding in the same direction.

         2.    When preparing for a left turn or U-turn at an intersection or a left turn into a private road or driveway.

         3.    When reasonably necessary to avoid unsafe conditions, including fixed or moving objects, parked or moving vehicles, pedestrians, animals, surface hazards or substandard width lanes that make it unsafe to ride along the right-hand edge or curb.

      (b)    Notwithstanding par. (a), any person operating a bicycle, electric scooter, or electric personal assistive mobility device upon a one-way highway having 2 or more lanes available for traffic may ride as near the left-hand edge or curb of the roadway as practicable.

      (c)    Any person operating a bicycle, electric scooter, or electric personal assistive mobility device upon a roadway shall exercise due care when passing a standing or parked vehicle or a vehicle proceeding in the same direction and, when passing a standing or parked vehicle that is a school bus that is not displaying flashing red warning lights as provided in s. 346.48 (1) or a motor bus, shall allow a minimum of 3 feet between the bicycle, electric scooter, or electric personal assistive mobility device and the vehicle.

   (3)   

      (a)    Persons riding bicycles, electric scooters, or electric personal assistive mobility devices upon a roadway may ride 2 abreast if such operation does not impede the normal and reasonable movement of traffic. Bicycle, electric scooter, or electric personal assistive mobility device operators riding 2 abreast on a 2-lane or more roadway shall ride within a single lane.

      (b)    Persons riding bicycles upon a roadway may not ride more than 2 abreast except upon any path, trail, lane or other way set aside for the exclusive use of bicycles, electric scooters, and electric personal assistive mobility devices.

   (4)   No person may operate a bicycle, electric scooter, electric personal assistive mobility device, or moped upon a roadway where a sign is erected indicating that bicycle, electric scooter, electric personal assistive mobility device, or moped riding is prohibited.

   (5)   Except as provided in ss. 346.23, 346.24, 346.37, and 346.38, every rider of a bicycle, electric scooter, or electric personal assistive mobility device shall, upon entering on a highway, yield, and every personal delivery device operator shall ensure that the personal delivery device, upon entering on a highway, yield the right-of-way to motor vehicles.