Chapter 348 — VEHICLES — SIZE, WEIGHT AND LOAD

348.01 Words and phrases defined. (1) Words and phrases defined in s. 340.01 are used in the same sense in this chapter unless a different definition is specifically provided. (2) In this chapter the following terms have the designated meanings: (a) “Axle” includes all wheels of …

348.02 Applicability of chapter. (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. (2) The provisions of this chapter restri…

348.03 Self-certification for agricultural commercial motor vehicles. (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…

348.05 Width of vehicles. (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. (2) The following vehicles may be operated without a permit for excessive widt…

348.06 Height of vehicles. (1) Except as provided in subs. (2) and (2m), no person, without a permit therefor, may operate on a highway any motor vehicle, mobile home, recreational vehicle, trailer, or semitrailer having an overall height in excess of 13 1/2 feet. (2) Implements …

348.07 Length of vehicles. (1) No person, without a permit therefor, may operate on a highway any single vehicle with an overall length in excess of 45 feet or any combination of 2 vehicles with an overall length in excess of 70 feet, except as otherwise provided in subs. (2), (2…

348.08 (1). (2) The following vehicles may be operated without a permit for excessive length if the overall length does not exceed the indicated limitations: (e) 1. Sixty feet for an implement of husbandry that is a single vehicle. 2. Except as provided in subd. 3., 100 feet for …

348.09 (3) (b), sub. (2) (am) also applies to agricultural commercial motor vehicles while being operated or transported by trailer or semitrailer by an implement dealer or farmer for purposes of delivery, repair, or servicing of the agricultural commercial motor vehicle if the a…

348.10 Special limitations on load. (1) No person, without a permit therefor, may operate on a highway any vehicle or combination of vehicles with any load thereon extending more than 3 feet beyond the front of the foremost vehicle, except as provided in s. 348.07 (2) (j) and (k)…

348.105 Transport of radiological materials. (1) In this section: May 22, 2026, are designated by NOTES. (Published 5-22-26) 7 Updated 23-24 Wis. Stats. (a) “Highway route controlled quantity” has the meaning given in 49 CFR 173.403. (b) “Permit” means a permit for the transport …

348.11 Penalty for violating size and load limitations. (1) Any person violating s. 348.09 or 348.10 may be required to forfeit not less than $10 nor more than $200. (2) Any person violating ss. 348.05 to 348.08 may be required to forfeit not less than $50 nor more than $100 for …

348.15 Weight limitations on class “A” highways. (1) In this section “class ‘A’ highway” includes all state trunk highways and connecting highways and those county trunk highways, town highways and city and village streets, or portions thereof, that have not been designated as cl…

348.16 Weight limitations on class “B” highways. (1) In this section, “class ‘B’ highway” includes those county trunk highways, town highways and city and village streets, or portions thereof, which have been designated as class “B” highways by the local authorities pursuant to s…

348.17 and 349.16, and subject to subd. 3., in the case of a heavyduty vehicle equipped with idle reduction technology, the gross 5 consecutive axles of a 5-axle vehicle or of any vehicle having a total of 6 or more axles 73,000 73,000 73,000 73,000 73,000** 6 consecutive axles o…

348.175 Seasonal operation of vehicles hauling peeled or unpeeled forest products cut crosswise or abrasives or salt for highway winter maintenance. The transportation of peeled or unpeeled forest products cut crosswise or of abrasives or salt for highway winter maintenance in ex…

348.18 Weight limitations apply to publicly-owned vehicles; exceptions. Sections 348.15 to 348.17 and the penalties for violations thereof also apply to vehicles owned by the state, a county or municipality, except when such vehicles are being used for the removal, treatment or s…

348.19 Traffic officers may weigh vehicles and require removal of excess load. (1) (a) Any traffic officer May 22, 2026, are designated by NOTES. (Published 5-22-26) 348.19 Updated 23-24 Wis. Stats. VEHICLES — SIZE, WEIGHT AND LOAD having reason to believe that the gross weight o…

348.195 Weight records of raw forest products purchasers. (1) Any purchaser of raw forest products transported by a vehicle or vehicle combination subject to the requirements of this subchapter that generates a weight scale record identifying the gross weight of the vehicle or ve…

348.20 Policy in prosecuting weight violations. (1) It is declared to be the public policy of the state that prosecutions for overweight violations shall in every instance where practicable be instituted against the person holding the authority, certificates, licenses or permits …

348.21 Penalty for violating weight limitations. (2) (a) Any person who violates s. 348.17 (2) or 348.19 (3) may be required to forfeit not less than $50 nor more than $100 upon the first conviction and, upon the 2nd or each subsequent conviction within a 12-month period, may be …

348.22 Courts to report weight violation convictions. Whenever any owner or operator is convicted of violating ss. 348.15 to 348.17 or any local ordinance in conformity with ss. 348.15 to 348.17 or any ordinance enacted under s. 349.15 (3), the clerk of the court in which the con…

348.25 General provisions relating to permits for vehicles and loads of excessive size and weight. (1) No person shall operate a vehicle on or transport an article over a highway without first obtaining a permit therefor as provided in s.

348.26 or 348.27 if such vehicle or article exceeds the maximum limitations on size, weight or projection of load imposed by this chapter. (2) (a) Vehicles or articles transported under permit are exempt from the restrictions and limitations imposed by this chapter on size, weigh…

348.27 (3), (3m), (4m), (9), (9m), (9r), (9t), (10), (12), (15), (16), (18), (19), (20), or (21), permits shall be issued only for the transporting of a single article or vehicle which exceeds statutory size, weight or load limitations and which cannot reasonably be di- Updated 2…

348.28 Permits to be carried. (1) (a) Permits issued under ss. 348.25, 348.26 and 348.27, other than a permit described in s. 348.27 (19) (b) 5. b., shall be carried on the vehicle during operations so permitted. (b) Permits issued under s. 348.27 (19) that are required to be car…

348.29 Weight limitations for certain permits. Notwithstanding s. 348.15 (3) (c), for any vehicle or vehicle combination operating under a permit issued under s. 348.26 (8) or 348.27 (17), the gross weight imposed on the highway by any group of 6 or more consecutive axles of a ve…

348.295 Weight limitations for certain permits. Notwithstanding s. 348.15 (3) (c), for any vehicle or vehicle combination operating under a permit issued under s. 348.27 (18) or (21), the gross weight imposed on the highway by any group of 6 or more consecutive axles of a vehicle…