Car crash statistics in Walnut, CA

We don't rate cities as safe or unsafe: crash counts can't say how risky a street is, and busy streets have more crashes partly because more people use them. This page covers traffic crashes, not crime. What the records show: 757 crashes were reported in Walnut from 2021–2025, 253 with an injury and 7 with a death. 33% (California: 40%) of crashes injured someone. 18% (California: 25%) were hit-and-run.

• 33% (California: 40%) of crashes injured someone.
• 18% (California: 25%) were hit-and-run.
• 21% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 8 a.m. (California: 5 p.m.).

Set against all reported crashes in California, 2021–2025. Without traffic counts these can't say how risky a street is.

The main cause the reporting officer recorded, as a share of all 757 crashes. It is the officer's judgement at the scene.

• Unsafe speed21% · 158
• Unsafe turning or lane change19% · 146
• Failing to yield at an intersection or to turn11% · 85
• Running a red light or stop sign11% · 84
• Following too closely8% · 58

By type of collision: rear end 25%, side swipe 20%, broadside 19%, hit object 17%.

The latest year can rise as late reports come in, and some police departments file months late.

• 24 crashes (3%) involved a pedestrian. See where they cluster
• 18 crashes (2%) involved a bicyclist. See where they cluster
• 9 crashes (1%) involved a motorcyclist.

How many car accidents happen in Walnut each year?

Reported crashes in Walnut: 2021: 161, 2022: 157, 2023: 144, 2024: 171, 2025: 124. The latest year can rise as late reports come in, and some police departments file their reports months late.

What time do most crashes happen in Walnut?

The busiest hour for reported crashes in Walnut is 8 a.m.. 21% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Walnut?

The main cause the reporting officer recorded, as a share of all 757 crashes: unsafe speed 21%, unsafe turning or lane change 19%, failing to yield at an intersection or to turn 11%, running a red light or stop sign 11%, following too closely 8%.

How many people were killed in crashes in Walnut?

7 crashes killed someone in 757 reported crashes in Walnut from 2021–2025, and 253 crashes injured someone.

How many crashes in Walnut involve pedestrians, cyclists or motorcyclists?

24 involved a pedestrian (3%), 18 involved a bicyclist (2%), 9 involved a motorcyclist (1%), of 757 reported crashes from 2021–2025.

Where does this data come from?

Police crash reports in the California Crash Reporting System (CCRS), published by the state on data.ca.gov. Every reported crash is counted, whatever the vehicles, and no locations are used.