For over 20 years, the Transportation Injury Mapping System (TIMS) developed by UC Berkeley SafeTREC has enabled quick, easy and free access to California crash data.

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Not sure where to start?

Crash Summaries

4 tools that aggregate maps, tables and charts to summarize key traffic safety crash trends in California on a state, county and city level.

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Analysis & Visualizations

7 different crash and geospatial analysis tools that allow users to visualize and compare SWITRS data across California.

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Autonomous Vehicle Safety

2 dashboards to visualize autonomous vehicle crashes and mileage in California reported through the AV Testing and AV Driverless Testing Permits from the California Department of Motor Vehicles (DMV).

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Need more help?

We have a page for that! Please visit our Help Page for tool tutorials, an explanation of the Statewide Integrated Traffic Records System (SWITRS) and how we geocode crashes along with it's codebook. If you have any questions not addressed on our help page, or have a specific data question please don't hesitate to contact the TIMS team at tims_info@berkeley.edu.