Wis. Admin. Code Trans 256.12
Route limitations
Cite as Wis. Admin. Code Trans § 256.12
Route limitations.
(1) A permit issued by the department for a movement which is partly on the state trunk highway system and partly on other classes of highways is valid only on state trunk highways.
(2) An oversize vehicle or vehicle-train may not be operated on a highway at any time that a permit is not valid.