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Wisconsin Traffic Operations and Safety Laboratory

The WisTransPortal System

The WisTransPortal system serves the computing and data management needs of the Wisconsin Traffic Operations and Safety (TOPS) Laboratory. The project scope includes support for ITS data archiving, real-time traffic information services, transportation operations applications, and transportation research. Learn more.

TOPS Lab Crash Data Contact Information

For general inquiries, email TOPS Lab crash data support:

For questions regarding crash data requests and data availability, contact Ms. Andrea Bill, TOPS Lab Traffic Safety Research Program Manager: or 608-890-3425.

For questions regarding the WisTransPortal crash database and online retrieval facility, contact Dr. Steven T. Parker, TOPS Lab IT Program Manager: or 608-265-4921.

NewNew: Questions about the DT4000 crash data may also be directed to the WisDOT Crash Records Unit (CRU):

For all other inquiries:

Dr. David A. Noyce
Director, Traffic Operations and Safety (TOPS) Laboratory
Department of Civil and Environmental Engineering
Department of Industrial and Systems Engineering
University of Wisconsin-Madison
2205 Engineering Hall
1415 Engineering Drive
Madison, WI 53706
Phone: 608-265-1882
Fax: 608-262-5199

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