Car crash statistics in Cupertino, 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: 1,987 crashes were reported in Cupertino from 2021–2025, 682 with an injury and 12 with a death. 34% (California: 40%) of crashes injured someone. 14% (California: 25%) were hit-and-run.

• 34% (California: 40%) of crashes injured someone.
• 14% (California: 25%) were hit-and-run.
• 12% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 3 p.m. (California: 5 p.m.).
• 43% 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 1,987 crashes. It is the officer's judgement at the scene.

• Unsafe speed37% · 734
• Unsafe turning or lane change22% · 438
• Running a red light or stop sign11% · 222
• Straying from the lane or driving on the wrong side8% · 155
• Failing to yield at an intersection or to turn6% · 116

By type of collision: rear end 37%, side swipe 23%, broadside 16%, hit object 14%.

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

• 47 crashes (2%) involved a pedestrian. See where they cluster
• 119 crashes (6%) involved a bicyclist. See where they cluster
• 47 crashes (2%) involved a motorcyclist. See where they cluster

How many car accidents happen in Cupertino each year?

Reported crashes in Cupertino: 2021: 285, 2022: 393, 2023: 413, 2024: 437, 2025: 459. 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 Cupertino?

The busiest hour for reported crashes in Cupertino is 3 p.m.. 12% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Cupertino?

The main cause the reporting officer recorded, as a share of all 1,987 crashes: unsafe speed 37%, unsafe turning or lane change 22%, running a red light or stop sign 11%, straying from the lane or driving on the wrong side 8%, failing to yield at an intersection or to turn 6%.

How many people were killed in crashes in Cupertino?

12 crashes killed someone in 1,987 reported crashes in Cupertino from 2021–2025, and 682 crashes injured someone.

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

47 involved a pedestrian (2%), 119 involved a bicyclist (6%), 47 involved a motorcyclist (2%), of 1,987 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.