Wis. Stat. § 346.69: Duty upon striking property on or adjacent to highway.

The operator of any vehicle involved in an accident resulting only in damage to fixtures or other property legally upon or adjacent to a highway shall take reasonable steps to locate and notify the owner or person in charge of such property of such fact and of the operator’s name and address and of the registration number of the vehicle the operator is driving and shall upon request and if available exhibit his or her operator’s license and shall make report of such accident when and as required in s. 346.70.