Chapter 347, EQUIPMENT OF VEHICLES

347.447 Additional safety mirrors on school buses. A school bus that is painted as provided in s. 347.44 may be equipped with a supplemental mirror system, mounted on the passenger side of the school bus and designed to enhance operator visibility of children near the passenger s…

347.45 Tire equipment. (1) All automobiles, motor trucks, motor buses, truck tractors, trailers, semitrailers, recreational vehicles, and mobile homes when operated upon a highway shall be completely equipped with tires inflated with compressed air and all other motor vehicles wh…

347.455 Modifications to height of vehicle. (1) Except as further provided in this section, no person may operate any vehicle on a highway if modifications have been made to the suspension system, axles or chassis of the vehicle which cause any portion of the vehicle to ride more…

347.46 Fenders and mudguards. (1) No person shall operate a vehicle of the tractor type on a highway unless the driving wheels of such vehicle are protected by suitable fenders. (2) No person shall operate on a highway in intercity movement any privately owned motor truck or priv…

347.47 Drawbars, trailer hitches and mobile home couplings. (1) No person shall operate a vehicle towing or drawing another vehicle or vehicles on a highway if the drawbar or other connection between any 2 vehicles exceeds 12 feet in length. (2) No person shall operate a motor ve…

347.475 Airbags, prohibited practices. (1) In this section: (a) “Airbag” means any component of a passive inflatable motor vehicle occupant crash protection system designed by a motor vehicle manufacturer to operate in the event of a collision and designed to meet federal motor v…

347.48 Safety belts and child safety restraint systems. (1) SAFETY BELTS REQUIRED. (a) No person may buy, sell, lease, trade or transfer a motor vehicle other than an automobile at retail from or to Wisconsin residents unless the vehicle is equipped with safety belts installed fo…

347.485 Protective headgear for use on motorcycles. (1) (a) No person who holds an instructional permit under s. 343.07 (4) or who is under 18 years of age may operate or ride upon a motorcycle on any highway unless the person is wearing protective headgear of a type which meets …

347.486 General requirements. (1) No person may operate a motorcycle if the handlegrips of the handlebars rise more than 30 inches above the lowest point of the top of the driver’s seat when the seat is occupied. (2) No person may operate a motorcycle with an improvised, defectiv…

347.487 Seating requirements. Except as provided in s. 346.595 (3m), no more than 2 persons may ride on a motorcycle during operation, and then only if the vehicle is equipped and designed with adequate seats and foot rests or pegs. Foot rests or pegs shall be mounted in accordan…

347.488 Moped equipment. No person may operate a moped unless: (1) The moped complies with all federal emission, equipment and safety standards applicable at the time of manufacture; (2) None of the original equipment installed on the moped by the manufacturer has been replaced w…

347.489 Lamps and other equipment on bicycles and other vehicles and devices. (1) No person may operate a bicycle, motor bicycle, personal delivery device, electric scooter, or electric personal assistive mobility device upon a highway, sidewalk, bicycle lane, or bicycle way duri…

347.49 Equipment of vehicles transporting flammable liquids. (1) In this section, “flammable liquid” means any gasoline, naphtha, benzine, fuel oil, crude oil, kerosene or other liquid which has a flashpoint of 80 degrees Fahrenheit or less as determined by a Tagliabue or equival…

347.495 Registration plate concealment device. (1) In this section, “registration plate concealment device” means a manual, electronic, or mechanical device designed or adapted to be installed on a motor vehicle to do any of the following: (a) Switch between 2 or more registratio…

347.50 Penalties. (1) Any person violating ss. 347.35 to 347.49, except s. 347.385 (5), s. 347.413 (1) or s. 347.415 (1m), (2) and (3) to (5) or s. 347.417 (1) or s. 347.475 or s. 347.48 (2m) or (4) or s. 347.489, may be required to forfeit not less than $10 nor more than $200. N…