Car crash statistics in Hercules, 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: 697 crashes were reported in Hercules from 2021–2025, 270 with an injury and 7 with a death. 39% (California: 40%) of crashes injured someone. 21% (California: 25%) were hit-and-run.

• 39% (California: 40%) of crashes injured someone.
• 21% (California: 25%) were hit-and-run.
• 34% (California: 26%) happened between 8 p.m. and 6 a.m.
• The busiest hour was 5 p.m. (California: 5 p.m.).
• 63% 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 697 crashes. It is the officer's judgement at the scene.

• Unsafe speed37% · 256
• Unsafe turning or lane change22% · 151
• Straying from the lane or driving on the wrong side14% · 96
• Driving under the influence7% · 49
• Running a red light or stop sign3% · 23

By type of collision: rear end 36%, hit object 23%, side swipe 22%, broadside 8%.

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

• 18 crashes (3%) involved a pedestrian. See where they cluster
• 5 crashes (1%) involved a bicyclist.
• 15 crashes (2%) involved a motorcyclist. See where they cluster

How many car accidents happen in Hercules each year?

Reported crashes in Hercules: 2021: 144, 2022: 149, 2023: 141, 2024: 118, 2025: 145. 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 Hercules?

The busiest hour for reported crashes in Hercules is 5 p.m.. 34% (California: 26%) happened between 8 p.m. and 6 a.m.

What causes crashes in Hercules?

The main cause the reporting officer recorded, as a share of all 697 crashes: unsafe speed 37%, unsafe turning or lane change 22%, straying from the lane or driving on the wrong side 14%, driving under the influence 7%, running a red light or stop sign 3%.

How many people were killed in crashes in Hercules?

7 crashes killed someone in 697 reported crashes in Hercules from 2021–2025, and 270 crashes injured someone.

How many crashes in Hercules involve pedestrians, cyclists or motorcyclists?

18 involved a pedestrian (3%), 5 involved a bicyclist (1%), 15 involved a motorcyclist (2%), of 697 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.