Data last rebuilt 2026-10-01

Car crash statistics in Hillsborough, CA

182 traffic crashes were reported in Hillsborough from 2021–2025, 54 with an injury and 3 with a death. Below: how many each year, what time of day, and the main causes officers recorded.
crashes, 2021–2025
182
crashes, 2021–2025
with an injury
54
with an injury
with a death
3
with a death

Is Hillsborough dangerous to drive?

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: 182 crashes were reported in Hillsborough from 2021–2025, 54 with an injury and 3 with a death. 30% (California: 40%) of crashes injured someone. 13% (California: 25%) were hit-and-run.

What the reports show about crashes in Hillsborough

  • 30% (California: 40%) of crashes injured someone.
  • 13% (California: 25%) were hit-and-run.
  • 23% (California: 26%) happened between 8 p.m. and 6 a.m.
  • The busiest hour was 3 p.m. (California: 5 p.m.).
  • 35% 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.

Main causes of crashes in Hillsborough

The main cause the reporting officer recorded, as a share of all 182 crashes. It is the officer's judgement at the scene.

  • Unsafe turning or lane change30% · 54
  • Unsafe speed24% · 43
  • Failing to yield at an intersection or to turn8% · 15
  • Driving under the influence8% · 15
  • Straying from the lane or driving on the wrong side5% · 10

By type of collision: hit object 42%, side swipe 18%, rear end 13%, broadside 11%.

What time crashes happen in Hillsborough

12 a.m.6 a.m.12 p.m.6 p.m.11 p.m.

Crashes in Hillsborough by year

YearCrashes
202118
202242
202354
202456
202512

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

People on foot, on bikes and on motorcycles in Hillsborough

  • 7 crashes (4%) involved a pedestrian.
  • 7 crashes (4%) involved a bicyclist.
  • 5 crashes (3%) involved a motorcyclist.

Common questions about crashes in Hillsborough

How many car accidents happen in Hillsborough each year?
Reported crashes in Hillsborough: 2021: 18, 2022: 42, 2023: 54, 2024: 56, 2025: 12. 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 Hillsborough?
The busiest hour for reported crashes in Hillsborough is 3 p.m.. 23% (California: 26%) happened between 8 p.m. and 6 a.m.
What causes crashes in Hillsborough?
The main cause the reporting officer recorded, as a share of all 182 crashes: unsafe turning or lane change 30%, unsafe speed 24%, failing to yield at an intersection or to turn 8%, driving under the influence 8%, straying from the lane or driving on the wrong side 5%.
How many people were killed in crashes in Hillsborough?
3 crashes killed someone in 182 reported crashes in Hillsborough from 2021–2025, and 54 crashes injured someone.
How many crashes in Hillsborough involve pedestrians, cyclists or motorcyclists?
7 involved a pedestrian (4%), 7 involved a bicyclist (4%), 5 involved a motorcyclist (3%), of 182 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.

Source: California Crash Reporting System (CCRS), 2021–2025. Every crash police reported is counted, whatever the vehicles. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-01. How the data works.