State Codes and Statutes

348.05

SUBCHAPTER II
SIZE AND LOAD
348.05 Width of vehicles.

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)

(2) The following vehicles may be operated without a permit for excessive width if the total outside width does not exceed the indicated limitations:

348.05(2)(a)

(a) No limitation for implements of husbandry temporarily operated upon a highway in the course of performance of its work.

348.05(2)(b)

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

348.05(2)(c)

(c) Twelve feet for farm tractors, except that the total outside width of a farm tractor shall not exceed 9 feet when operated on any Wisconsin highway, other than that portion of USH 51 between Wausau and STH 78 and that portion of STH 78 between USH 51 and the I 90/94 interchange near Portage upon their federal designation as I 39, that is a part of the national system of interstate and defense highways.

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)(f)

(f) Eight feet 8 inches for urban 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(2m)

(2m) The secretary, by rule, shall designate safety devices which may not be included in the calculation of width under subs. (1) and (2). The designation of safety devices under this subsection may not be inconsistent with the safety devices designated by the U.S. secretary of transportation under P.L. 97-369, section 321.

348.05(3)

(3) Farm tractors exceeding 12 feet in width and all other farm machinery and implements of husbandry exceeding 8 feet 6 inches in width not being operated in the course of performance of its work may be moved, towed or hauled over the highways without a special permit issued under s. 348.27 (14) between one-half hour before sunrise and sunset on Mondays to Thursdays and from one-half hour before sunrise to 2 p.m. on Fridays. Such overwidth machinery shall not be moved, towed or hauled on any Wisconsin highway, other than any overwidth machinery that is not a commercial motor vehicle on that portion of USH 51 between Wausau and STH 78 and that portion of STH 78 between USH 51 and the I 90/94 interchange near Portage upon their federal designation as I 39, which is part of the national system of interstate and defense highways without a special permit issued under s. 348.27 (14).

348.05(4)

(4) Notwithstanding sub. (1), the secretary may restrict vehicles to a width of less than 8 feet 6 inches on any portion of any state or local highway if he or she deems such restriction necessary to protect the public safety. Any such restriction shall be indicated by official signs. If the secretary restricts vehicles to a width of less than 8 feet 6 inches on any local highway, the local authority in charge of maintenance shall be responsible for erecting the appropriate signs on the local highway.

348.05 - ANNOT.

History: 1975 c. 50; 1977 c. 26; 1977 c. 29 s. 1654 (9) (b); 1981 c. 22; 1983 a. 78, 508; 1985 a. 187; 1993 a. 353, 404; 1995 a. 7, 225, 348; 1999 a. 85; 2003 a. 213.

348.05 - ANNOT.

Cross Reference: See also s. Trans 276.04, Wis. adm. code.