Wisconsin Statutes Vehicles (Ch. 340 to 351) § 350.13. Uniform trail signs and standards

The department of natural resources in cooperation with the department of transportation, after public hearing, shall promulgate rules to establish uniform trail and route signs and standards relating to operation thereon as authorized by law. The authority in charge of the maintenance of the highway may place signs on highways under its jurisdiction where authorized snowmobile trails cross. These signs must be of a type approved by the department of natural resources and the department of transportation.