Car crash statistics in Los Altos, 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: 459 crashes were reported in Los Altos from 2021–2025, 234 with an injury and 2 with a death. 51% (California: 40%) of crashes injured someone. 13% (California: 25%) were hit-and-run.

• 51% (California: 40%) of crashes injured someone.
• 13% (California: 25%) were hit-and-run.
• 13% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 4 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 459 crashes. It is the officer's judgement at the scene.

• Unsafe speed26% · 121
• Unsafe turning or lane change18% · 81
• Failing to yield at an intersection or to turn11% · 49
• Straying from the lane or driving on the wrong side8% · 38
• Running a red light or stop sign6% · 29

By type of collision: rear end 27%, hit object 23%, side swipe 16%, broadside 16%.

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

• 11 crashes (2%) involved a pedestrian.
• 65 crashes (14%) involved a bicyclist.
• 11 crashes (2%) involved a motorcyclist.

How many car accidents happen in Los Altos each year?

Reported crashes in Los Altos: 2021: 106, 2022: 113, 2023: 117, 2024: 51, 2025: 72. 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 Los Altos?

The busiest hour for reported crashes in Los Altos is 4 p.m.. 13% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Los Altos?

The main cause the reporting officer recorded, as a share of all 459 crashes: unsafe speed 26%, unsafe turning or lane change 18%, failing to yield at an intersection or to turn 11%, straying from the lane or driving on the wrong side 8%, running a red light or stop sign 6%.

How many people were killed in crashes in Los Altos?

2 crashes killed someone in 459 reported crashes in Los Altos from 2021–2025, and 234 crashes injured someone.

How many crashes in Los Altos involve pedestrians, cyclists or motorcyclists?

11 involved a pedestrian (2%), 65 involved a bicyclist (14%), 11 involved a motorcyclist (2%), of 459 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.