To obtain a copy of a crash report in Wisconsin, follow these steps:

1. **Visit the Wisconsin Department of Transportation (WisDOT) Website**: Go to the official WisDOT website and navigate to the crash reports section.

2. **Online Request**: Use the online request form available on the WisDOT website. You will need details such as the date of the crash, the driver’s name, and the crash report number if available.

3. **Mail Request**: Alternatively, you can request a crash report by mail. Download and complete the MV4000 form from the WisDOT website, and send it along with the required fee to the address provided on the form.

4. **Fees**: Be prepared to pay a fee for the report, which can vary. Check the current fee structure on the WisDOT website.

5. **Processing Time**: Allow for processing time, which can vary depending on the method of request and the volume of requests being handled.

6. **Contact WisDOT**: If you have questions or need assistance, contact the Wisconsin Department of Transportation directly through their customer service hotline or email.

By following these steps, you can efficiently obtain a copy of a crash report in Wisconsin.