The SWITRS Summary is a tool for accessing and mapping statewide crash and injury data from the California Statewide Integrated Traffic Records System (SWITRS). The following data can be queried and viewed in charts, tables and a map:
Users may query by cities or counties, and may view up to 10 years of the most recent data available. Data is updated quarterly.
Last Updated:
Crashes as of Sep 12, 2025 from CHP
Adjust these options to update the data charts, table and map.
Compare statewide trends for each data focus using mini charts.
Based on statewide victims for the selected severity and most recent years.
Each chart compares a data focus to the statewide total for the selected severity and time range.
Compare the share of victims for each data focus between a selected location and statewide totals.
Select a county to compare against the statewide totals. When showing cities, pick a county and city to continue.
Adjust these filters to update the data charts, table and map.
The map reflects the same metric and geography shown in the table below.
This chart highlights the locations with the highest averages for the selected metric.
Stacked totals by year help highlight how the highest-volume locations contribute over time.
Tip: Click a location name in the legend to show or hide it.
Data is not available for the selected filters. Try adjusting the severity, year range, geography, or metric.