Request Wisconsin Crash Data
The TOPS Lab provides Wisconsin crash data and copies of police crash reports as a service to the Wisconsin Department of Transportation (WisDOT) Bureau of Traffic Operations.
Request Wisconsin Crash Data
Crash data is available upon request to anyone in the general public, including government, engineering consultants, media, law firms, non-profit organizations, and individuals. The crash database, provided by WisDOT Division of State Patrol, contains records for all police reported crashes in Wisconsin from 1994 through the current year. Information on the location of the crash, vehicles involved, and general crash attributes are available. Personal data have been removed.
To request Wisconsin crash data, please complete the Wisconsin Crash Data Request Form (MS Word) and return it to Ms. Andrea Bill, Traffic Safety Research Program Manager, at the TOPS Lab:
Traffic Operations and Safety Laboratory
Civil and Environmental Engineering
University of Wisconsin-Madison
2205 Engineering Hall
1415 Engineering Drive
Madison, WI 53706
A PDF version of the Crash Data Request Form is also available. The TOPS Lab provides data files of crash records based on date range and location. Requests for statewide crash data extracts should be directed to the WisDOT Bureau of Transportation Safety (contact information below).
Request Copies of Police Crash Reports
The TOPS Lab is authorized to provide copies of crash reports to government agencies and consultants working on WisDOT projects per a Crash Records Agreement between WisDOT and UW-Madison. The WisTransPortal crash reports file repository, provided by WisDOT Division of State Patrol, contains MV4000 and DT4000 crash report image files from 2000 through the current year.
To request copies of crash reports from the TOPS Lab, please send a list of crash report document numbers to email@example.com. Consultants should include the WisDOT Project ID with their request.
Crash reports are also available from the Wisconsin Department of Transportation website and see below for additional contact information.
Additional Contact Information
For additional information on obtaining crash data extracts and/or copies of crash reports:
- New: To request crash data analysis, contact the WisDOT Bureau of Transportation Safety (BOTS) Program and Policy Unit at CrashDataAnalysis@dot.wi.gov.
- To request copies of the annual crash data extracts, contact the Wisconsin State Patrol (DSP) Crash Records Unit (CRU) at firstname.lastname@example.org or 608-266-2265.
- If you were involved in a crash, copies of individual crash reports may be purchased online from the WisDOT Purchase Crash Reports website.
- Additional information regarding open records requests may be found on the WisDOT Open Records information page.
The TOPS Lab will process each request as soon as possible. Most requests are processed within 5-10 business days. See the TOPS Lab Crash Data Resources FAQ for more information on the WisTransPortal crash database and data access options.