Car crash statistics in San Bruno, 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: 1,606 crashes were reported in San Bruno from 2021–2025, 628 with an injury and 5 with a death. 39% (California: 40%) of crashes injured someone. 22% (California: 25%) were hit-and-run.

• 39% (California: 40%) of crashes injured someone.
• 22% (California: 25%) were hit-and-run.
• 23% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 5 p.m. (California: 5 p.m.).
• 45% 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 1,606 crashes. It is the officer's judgement at the scene.

• Unsafe speed28% · 448
• Unsafe turning or lane change23% · 369
• Driving under the influence11% · 171
• Straying from the lane or driving on the wrong side10% · 165
• Running a red light or stop sign5% · 80

By type of collision: rear end 32%, side swipe 25%, hit object 21%, broadside 10%.

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

• 71 crashes (4%) involved a pedestrian.
• 22 crashes (1%) involved a bicyclist.
• 34 crashes (2%) involved a motorcyclist.

How many car accidents happen in San Bruno each year?

Reported crashes in San Bruno: 2021: 272, 2022: 266, 2023: 354, 2024: 380, 2025: 334. 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 Bruno?

The busiest hour for reported crashes in San Bruno is 5 p.m.. 23% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in San Bruno?

The main cause the reporting officer recorded, as a share of all 1,606 crashes: unsafe speed 28%, unsafe turning or lane change 23%, driving under the influence 11%, straying from the lane or driving on the wrong side 10%, running a red light or stop sign 5%.

How many people were killed in crashes in San Bruno?

5 crashes killed someone in 1,606 reported crashes in San Bruno from 2021–2025, and 628 crashes injured someone.

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

71 involved a pedestrian (4%), 22 involved a bicyclist (1%), 34 involved a motorcyclist (2%), of 1,606 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.