Wis. Stat. § 84.1035

The department shall designate and mark USH 53 commencing at La Crosse and proceeding northerly to Superior as the “Peace Memorial Highway” to commemorate the contributions and devotion of the citizens of this state to international peace and greater understanding among nations. The department shall erect markers at regular intervals along the route, including at appropriate areas historical markers, to clearly identify to motorists the designation of the highway as a memorial to international peace.