348.02(1)(1) The provisions of this chapter restricting the size, weight and load of vehicles apply also to vehicles owned by or operated by or for a governmental agency, subject to such exceptions in this chapter.

348.02(2)(2) The provisions of this chapter restricting the size and weight of vehicles apply to the vehicle and any load which it is carrying except as otherwise provided in this chapter.

348.02(3)(3) Any owner of a vehicle who causes or permits such vehicle to be operated on a highway in violation of this chapter is guilty of the violation the same as if the owner had actually operated the vehicle.

348.02(4)(4) The limitations on size, weight and load imposed by this chapter do not apply to road machinery actually engaged in construction or maintenance of a highway within the limits of the project.

348.02(5)(5) The limitations on weight, length and number of vehicles in combination imposed by this chapter shall not apply to a combination of vehicles in an emergency towing operation in which the towing vehicle is being used to remove a stalled or disabled vehicle or combination of vehicles from the highway to the nearest adequate place for repairs, or in which the towing vehicle is an emergency truck tractor temporarily substituted for a stalled or disabled truck tractor. The vehicle owner or the owner’s agent shall designate the nearest adequate place for repairs for vehicles or combinations of vehicles exceeding the statutory length limits or limits on the number of vehicles in combination.

348.03(1)(1) The department shall prescribe a form for the owner or operator of an agricultural commercial motor vehicle to certify that the vehicle and its operation satisfy all requirements specified in the definition under s. 340.01 (1o).

348.03(2)(2) The certification on the form under sub. (1) of an owner or operator of an agricultural commercial motor vehicle may be offered to the department or any traffic officer as evidence of the truth of the matters asserted in the certification, but the certification is not conclusive of such matters.

348.05(1)(1) No person without a permit therefor shall operate on a highway any vehicle having a total width in excess of 8 feet 6 inches, except as otherwise provided in this section.

348.05(2)(a)(a) Subject to ss. 347.24 (3), 347.245 (1), and 347.25 (2g), no limitation for implements of husbandry.

348.05(2)(am)(am) Ten feet for an agricultural commercial motor vehicle, except that, if the agricultural commercial motor vehicle is operated for purposes of spraying pesticides or spreading lime or fertilizer but not including manure application and has extending tires, fenders, or fender flares, the total outside width of the agricultural commercial motor vehicle may not exceed 12 feet. This paragraph does not apply to an agricultural commercial motor vehicle on a highway that is a part of the national system of interstate and defense highways.

348.05(2)(b)(b) No limitation for snowplows operated by or for a governmental agency.

348.05(2)(d)(d) Ten feet 6 inches for snowplows attached to motor vehicles normally used for the transportation of milk.

348.05(2)(e)(e) Twelve feet for skidders, forwarders, harvesters, and wheeled feller bunchers operated for logging purposes at times other than hours of darkness and operated on the highway for a distance of 0.5 miles or less. This paragraph does not apply on any highway that is a part of the national system of interstate and defense highways.

348.05(2)(f)(f) Eight feet 8 inches for urban passenger buses and 8 feet 6 inches for interurban passenger buses.

348.05(2)(i)(i) A realistic body width of 8 feet 6 inches for mobile homes, including recreational vehicles, and motor homes, and, for motor homes and for recreational vehicles used only as temporary or recreational dwellings, up to an additional 4 inches on the left side and 6 inches on the right side of such vehicles for appurtenances provided that, if any appurtenance extends the maximum 4 inches on the left side or 6 inches on the right side, the appurtenance is located at a height of not less than 8 feet from the ground. In this paragraph, “appurtenance” means any mechanical or other device, including retracted awning assemblies, vent grates, electrical outlet covers, and door handles, that is related to the structure of the vehicle and is installed upon the vehicle by a manufacturer or dealer.

348.05(2)(k)(k) Nine feet for loads of tie logs, tie slabs and veneer logs, provided that no part of the load shall extend more than 6 inches beyond the fender line on the left side of the vehicle or extend more than 10 inches beyond the fender line on the right side of the vehicle. This paragraph does not apply to transport on highways designated as parts of the national system of interstate and defense highways under s. 84.29.

348.05(2)(L)(L) Twelve feet for loads of hay in bales and, from September 15 to December 15 of each year, for loads of Christmas trees from the point of harvesting or staging to a Christmas tree yard or point of commercial shipment, if the total outside width of the loads do not exceed the width of a single traffic lane of any highway over which the loads are carried. This paragraph does not apply to vehicles on highways designated as parts of the national system of interstate and defense highways under s. 84.29.

348.05(2)(m)(m) Nine feet for a vehicle or vehicle combination used by a pipeline company or operator, public service corporation, municipal utility, or cooperative association described in s. 196.01 (5) (b) 1., or by a motor carrier operating under contract with a pipeline company or operator, public service corporation, municipal utility, or cooperative association described in s. 196.01 (5) (b) 1., for transportation of poles, pipe, girders, and similar materials.

348.05(2g)(a)(a) Except as provided in par. (c), and subject to par. (b), sub. (2) (a) also applies to implements of husbandry while being operated or transported by an implement dealer or farmer for purposes of delivery, repair, or servicing of the implement of husbandry if the implement of husbandry is being operated or transported under either of the following circumstances:

348.05(2g)(a)1.1. Directly from a farmer’s owned or leased land to the business location of an implement dealer that is within a 75-mile radius of the farmer’s owned or leased land.