Wis. Admin. Code Trans 260.12
Route limitations
Cite as Wis. Admin. Code Trans § 260.12
Route limitations.
(1) A permit is valid only on the route specified in the permit.
(2) No permit allowing the dimensions of a vehicle or load to exceed 11 feet in width, 13 1 ⁄ 2 feet in height or 100 feet in length is valid on any part of the Milwaukee county expressway system constructed pursuant to s. 59.84 , Stats., except on U.S. highway 45 between West Florist Avenue and West Hampton Avenue and on interstate highway 94 between the Waukesha county line and 108th Street.
(3) A permit issued by an issuing authority authorizes the use of any of the highways of the state, subject to the limitations stated in [the] permit.
(4) An oversize vehicle may not be operated on a highway, whether loaded or empty, at any time that the permit is not valid.