Car crash statistics in San Ramon, 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: 2,137 crashes were reported in San Ramon from 2021–2025, 721 with an injury and 8 with a death. 34% (California: 40%) of crashes injured someone. 12% (California: 25%) were hit-and-run.

• 34% (California: 40%) of crashes injured someone.
• 12% (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.).
• 23% 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 2,137 crashes. It is the officer's judgement at the scene.

• Unsafe speed25% · 533
• Unsafe turning or lane change19% · 397
• Running a red light or stop sign14% · 289
• Straying from the lane or driving on the wrong side10% · 224
• Failing to yield at an intersection or to turn8% · 171

By type of collision: rear end 24%, broadside 23%, side swipe 20%, hit object 19%.

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

• 60 crashes (3%) involved a pedestrian. See where they cluster
• 100 crashes (5%) involved a bicyclist. See where they cluster
• 32 crashes (1%) involved a motorcyclist. See where they cluster

How many car accidents happen in San Ramon each year?

Reported crashes in San Ramon: 2021: 326, 2022: 492, 2023: 453, 2024: 446, 2025: 420. 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 San Ramon?

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

What causes crashes in San Ramon?

The main cause the reporting officer recorded, as a share of all 2,137 crashes: unsafe speed 25%, unsafe turning or lane change 19%, running a red light or stop sign 14%, straying from the lane or driving on the wrong side 10%, failing to yield at an intersection or to turn 8%.

How many people were killed in crashes in San Ramon?

8 crashes killed someone in 2,137 reported crashes in San Ramon from 2021–2025, and 721 crashes injured someone.

How many crashes in San Ramon involve pedestrians, cyclists or motorcyclists?

60 involved a pedestrian (3%), 100 involved a bicyclist (5%), 32 involved a motorcyclist (1%), of 2,137 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.