Car crash statistics in Walnut Creek, CA
- crashes, 2021–2025
- 3,685
- crashes, 2021–2025
- with an injury
- 1,488
- with an injury
- with a death
- 16
- with a death
Is Walnut Creek dangerous to drive?
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: 3,685 crashes were reported in Walnut Creek from 2021–2025, 1,488 with an injury and 16 with a death. 40% (California: 40%) of crashes injured someone. 23% (California: 25%) were hit-and-run.
What the reports show about crashes in Walnut Creek
- 40% (California: 40%) of crashes injured someone.
- 23% (California: 25%) were hit-and-run.
- 21% (California: 26%) happened between 8 p.m. and 6 a.m.
- The busiest hour was 5 p.m. (California: 5 p.m.).
- 48% were on a freeway.
Set against all reported crashes in California, 2021–2025. Without traffic counts these can't say how risky a street is.
Main causes of crashes in Walnut Creek
The main cause the reporting officer recorded, as a share of all 3,685 crashes. It is the officer's judgement at the scene.
- Unsafe speed29% · 1,082
- Unsafe turning or lane change19% · 695
- Straying from the lane or driving on the wrong side15% · 554
- Driving under the influence7% · 250
- Failing to yield at an intersection or to turn6% · 225
By type of collision: rear end 33%, side swipe 26%, hit object 18%, broadside 13%.
What time crashes happen in Walnut Creek
Crashes in Walnut Creek by year
| Year | Crashes | |
|---|---|---|
| 2021 | 691 | |
| 2022 | 738 | |
| 2023 | 695 | |
| 2024 | 802 | |
| 2025 | 759 |
The latest year can rise as late reports come in, and some police departments file months late.
People on foot, on bikes and on motorcycles in Walnut Creek
- 107 crashes (3%) involved a pedestrian.
- 94 crashes (3%) involved a bicyclist.
- 79 crashes (2%) involved a motorcyclist. See where they cluster
Common questions about crashes in Walnut Creek
- How many car accidents happen in Walnut Creek each year?
- Reported crashes in Walnut Creek: 2021: 691, 2022: 738, 2023: 695, 2024: 802, 2025: 759. 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 Creek?
- The busiest hour for reported crashes in Walnut Creek is 5 p.m.. 21% (California: 26%) happened between 8 p.m. and 6 a.m.
- What causes crashes in Walnut Creek?
- The main cause the reporting officer recorded, as a share of all 3,685 crashes: unsafe speed 29%, unsafe turning or lane change 19%, straying from the lane or driving on the wrong side 15%, driving under the influence 7%, failing to yield at an intersection or to turn 6%.
- How many people were killed in crashes in Walnut Creek?
- 16 crashes killed someone in 3,685 reported crashes in Walnut Creek from 2021–2025, and 1,488 crashes injured someone.
- How many crashes in Walnut Creek involve pedestrians, cyclists or motorcyclists?
- 107 involved a pedestrian (3%), 94 involved a bicyclist (3%), 79 involved a motorcyclist (2%), of 3,685 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.
Nearby cities
Source: California Crash Reporting System (CCRS), 2021–2025. Every crash police reported is counted, whatever the vehicles. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-01. How the data works.