Car crash statistics in Foster City, 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: 1,121 crashes were reported in Foster City from 2021–2025, 414 with an injury and 4 with a death. 37% (California: 40%) of crashes injured someone. 12% (California: 25%) were hit-and-run.

• 37% (California: 40%) of crashes injured someone.
• 12% (California: 25%) were hit-and-run.
• 16% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 3 p.m. (California: 5 p.m.).
• 52% 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 1,121 crashes. It is the officer's judgement at the scene.

• Unsafe speed38% · 422
• Unsafe turning or lane change17% · 185
• Straying from the lane or driving on the wrong side11% · 128
• Running a red light or stop sign6% · 63
• Driving under the influence6% · 63

By type of collision: rear end 41%, side swipe 27%, hit object 14%, broadside 9%.

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

• 24 crashes (2%) involved a pedestrian. See where they cluster
• 41 crashes (4%) involved a bicyclist. See where they cluster
• 30 crashes (3%) involved a motorcyclist. See where they cluster

How many car accidents happen in Foster City each year?

Reported crashes in Foster City: 2021: 185, 2022: 217, 2023: 230, 2024: 241, 2025: 248. 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 Foster City?

The busiest hour for reported crashes in Foster City is 3 p.m.. 16% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Foster City?

The main cause the reporting officer recorded, as a share of all 1,121 crashes: unsafe speed 38%, unsafe turning or lane change 17%, straying from the lane or driving on the wrong side 11%, running a red light or stop sign 6%, driving under the influence 6%.

How many people were killed in crashes in Foster City?

4 crashes killed someone in 1,121 reported crashes in Foster City from 2021–2025, and 414 crashes injured someone.

How many crashes in Foster City involve pedestrians, cyclists or motorcyclists?

24 involved a pedestrian (2%), 41 involved a bicyclist (4%), 30 involved a motorcyclist (3%), of 1,121 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.