The Role of Police Reports in California Car Accident Claims

Why the Police Report Matters for Your Accident Claim

After a car accident in California, one of the most important documents in your case will be the police report — officially known as a Traffic Collision Report (CHP 555 for California Highway Patrol investigations, or a local department equivalent). While a police report is not conclusive proof of fault, it carries significant weight with insurance companies, attorneys, and juries. Understanding what is in the report and how to use it can be critical to the success of your claim.

What Is in a California Traffic Collision Report?

A typical traffic collision report includes the date, time, and location of the accident, a diagram of the scene showing the positions of vehicles, direction of travel, and point of impact, statements from both drivers and any witnesses, the officer’s observations about road conditions, weather, lighting, and traffic controls, whether any driver was cited for a traffic violation, whether alcohol or drugs appear to be a factor, a preliminary determination of the “primary collision factor” (the main cause of the accident), and information about injuries and property damage.

The “Primary Collision Factor” and Fault Determination

Perhaps the most valuable section of the report is the officer’s determination of the “primary collision factor” — the main violation or action that caused the collision. Common primary collision factors include unsafe speed (CVC 22350), failure to yield right of way (CVC 21801-21804), improper turning (CVC 22107), following too closely (CVC 21703), and driving under the influence (CVC 23152). While the officer’s determination is not binding on a court, insurance companies give it substantial weight when evaluating claims.

How to Obtain Your Police Report

In California, you can request a copy of your traffic collision report from the law enforcement agency that investigated the accident. CHP reports can be requested online through the CHP website. Local police department reports are typically available from the records division of the responding department. There is usually a small fee (around $10-$25) for a copy. Reports are generally available within 10 to 30 days after the accident.

What If the Report Contains Errors?

Police officers are human, and reports can contain mistakes — incorrect vehicle descriptions, wrong names, inaccurate diagrams, or a fault determination that does not match the evidence. If you believe the report contains factual errors, you can request a correction by contacting the investigating officer or their supervisor. However, you generally cannot change the officer’s opinions or conclusions about fault.

When No Police Report Was Filed

If police were not called to the scene, you can still pursue your claim using other evidence — photographs, witness statements, medical records, and expert testimony. However, the absence of a police report makes it more important to gather your own evidence thoroughly.

Get Help With Your Claim

At Smilove & Rosenblum, we know how to leverage police reports to strengthen your claim and how to challenge inaccurate reports that work against you. Call (800) 300-3226 for a free consultation.

Related Resources

• Practice Area: Car Accident Attorney
• Practice Area: Truck Accident Investigations
• What to Do After a Car Accident in California
• Hit-and-Run Accidents in California