Car crash statistics in Mountain View, 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: 4,450 crashes were reported in Mountain View from 2021–2025, 1,836 with an injury and 13 with a death. 41% (California: 40%) of crashes injured someone. 19% (California: 25%) were hit-and-run.

• 41% (California: 40%) of crashes injured someone.
• 19% (California: 25%) were hit-and-run.
• 19% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 5 p.m. (California: 5 p.m.).
• 67% 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 4,450 crashes. It is the officer's judgement at the scene.

• Unsafe speed50% · 2,233
• Straying from the lane or driving on the wrong side13% · 583
• Unsafe turning or lane change13% · 565
• Driving under the influence8% · 352
• Running a red light or stop sign3% · 148

By type of collision: rear end 52%, side swipe 17%, hit object 15%, broadside 8%.

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

• 117 crashes (3%) involved a pedestrian. See where they cluster
• 187 crashes (4%) involved a bicyclist. See where they cluster
• 85 crashes (2%) involved a motorcyclist. See where they cluster

How many car accidents happen in Mountain View each year?

Reported crashes in Mountain View: 2021: 600, 2022: 942, 2023: 1,004, 2024: 949, 2025: 955. 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 Mountain View?

The busiest hour for reported crashes in Mountain View is 5 p.m.. 19% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Mountain View?

The main cause the reporting officer recorded, as a share of all 4,450 crashes: unsafe speed 50%, straying from the lane or driving on the wrong side 13%, unsafe turning or lane change 13%, driving under the influence 8%, running a red light or stop sign 3%.

How many people were killed in crashes in Mountain View?

13 crashes killed someone in 4,450 reported crashes in Mountain View from 2021–2025, and 1,836 crashes injured someone.

How many crashes in Mountain View involve pedestrians, cyclists or motorcyclists?

117 involved a pedestrian (3%), 187 involved a bicyclist (4%), 85 involved a motorcyclist (2%), of 4,450 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.