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Federal regulations
Wisconsin has adopted Sec. 390.15 of the Federal Regulations, which includes accident recordkeeping requirements.
Applicability
Section 390.15 applies to any self-propelled or towed motor vehicle used on a highway in intrastate commerce when the vehicle has a gross vehicle weight rating, gross combination weight rating, gross vehicle weight, or gross combination weight of 10,001 pounds or more, or is of any size transporting a placardable amount of hazardous materials.
Notification
An accident must be immediately reported to law enforcement when it results in injury or death of a person, total damage to property owned by any one person is $1,000 or more, or damage of $200 or more to government property (except motor vehicles).
If law enforcement does not file a report, the operator of a vehicle involved in an accident must, within 10 days, complete a “Wisconsin Driver Report of Accident” form (MV 4002). A report of the accident filed by an occupant or owner of the vehicle may be required or accepted in lieu of a report by the operator of the vehicle.
How to obtain accident reports
Procedure
A copy of an official accident report may be obtained from the Wisconsin Department of Transportation, Crash Records Unit: https://crashreports.wi.gov/.
Fees
A fee of $6.00 is charged for each accident report.