Car crash statistics in Simi Valley, 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: 3,776 crashes were reported in Simi Valley from 2021–2025, 1,759 with an injury and 30 with a death. 47% (California: 40%) of crashes injured someone. 11% (California: 25%) were hit-and-run.

• 47% (California: 40%) of crashes injured someone.
• 11% (California: 25%) were hit-and-run.
• 22% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 5 p.m. (California: 5 p.m.).
• 22% 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.

The main cause the reporting officer recorded, as a share of all 3,776 crashes. It is the officer's judgement at the scene.

• Failing to yield at an intersection or to turn21% · 793
• Unsafe speed20% · 762
• Unsafe turning or lane change18% · 687
• Driving under the influence11% · 413
• Running a red light or stop sign10% · 389

By type of collision: broadside 31%, hit object 24%, rear end 19%, side swipe 14%.

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

• 83 crashes (2%) involved a pedestrian. See where they cluster
• 86 crashes (2%) involved a bicyclist. See where they cluster
• 107 crashes (3%) involved a motorcyclist. See where they cluster

How many car accidents happen in Simi Valley each year?

Reported crashes in Simi Valley: 2021: 748, 2022: 723, 2023: 813, 2024: 747, 2025: 745. 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 Simi Valley?

The busiest hour for reported crashes in Simi Valley is 5 p.m.. 22% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Simi Valley?

The main cause the reporting officer recorded, as a share of all 3,776 crashes: failing to yield at an intersection or to turn 21%, unsafe speed 20%, unsafe turning or lane change 18%, driving under the influence 11%, running a red light or stop sign 10%.

How many people were killed in crashes in Simi Valley?

30 crashes killed someone in 3,776 reported crashes in Simi Valley from 2021–2025, and 1,759 crashes injured someone.

How many crashes in Simi Valley involve pedestrians, cyclists or motorcyclists?

83 involved a pedestrian (2%), 86 involved a bicyclist (2%), 107 involved a motorcyclist (3%), of 3,776 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.