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Data & Statistics

California Accident Statistics

California crash data is collected by several public agencies. Learn about SWITRS, UC Berkeley SafeTREC/TIMS, the California Office of Traffic Safety, Caltrans, and NHTSA — and how to interpret the trends they report.

Statistics

California Accident Statistics: An Overview

Where California crash data comes from, and what public sources reveal about statewide trends.

Jul 28, 2026 · 6 min read

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