Wisconsin Statutes Corporations (Ch. 180 to 188) § 182.47. Motor vehicle laws to apply

(1) The provisions of chs. 86, 341 to 349 and 351 relative to the operation of motor vehicles on highways and the protection of public highways including the weight restriction laws shall be applicable to turnpikes and for the purpose of these laws, turnpikes shall be deemed to be public highways. Turnpikes shall be considered as class “A” highways under s. 348.15 and all limitations on the use of such class “A” highways shall be applicable. Turnpikes shall not be subject to traffic control by any local governmental ordinance or rule.

(2) The corporation is authorized to hire suitable persons to enforce the statutes referred to in sub. (1), and, upon approval of the governor, they are vested for that purpose with the powers of state traffic officers. Such authority shall be evidenced by the governor's certificate of approval.