The Traffic Crash Reporting Unit is responsible for the complete, accurate and timely collection, processing, and compilations of statewide traffic crash data. In Michigan, to get a police report for a car accident you were involved in, you can request a copy of the UD10 Traffic Crash Report from the state police.An accident report must be filed 5-30 days after the accident, depending on your state. Fill out the form with the necessary details about the accident, such as the date, location, and any other required information. Learn how to pay for an accident report. For More Information Visit: Detroit Police Department Records and Reports If you were in a serious car accident in Michigan, it's likely that a police report was filed. An official police report is a firsthand summary of the incident from multiple perspectives. An accident that generates a police report is automatically filed with the DMV. 257.622 Report of accidents resulting in death, personal injury, or property damage; forms; analysis; use; retention.