After a vehicle collision, the scene can hold key evidence about how the incident occurred. This is especially important where there is serious damage, injury or disagreement about fault.

What a Forensic Collision Investigator Does

A forensic collision investigator examines road traffic collisions using forensic methods, vehicle knowledge and scene information. Their aim is to recreate the sequence of events.

Examining the Evidence

The investigation often begins with a detailed scene review. Photographs are taken before the road is cleared or repaired, giving investigators a record of the scene.

They may gather broken parts, road marks, impact points and damaged objects. Statements may also be taken from people involved in the crash and those who saw it happen.

Where appropriate, DNA or other forensic evidence may be used to help confirm who was inside a vehicle at the time of the collision.

Building a Collision Reconstruction

Using the evidence collected, the investigator can produce a reconstruction of the crash. This may involve computer modelling to test whether the evidence supports the accounts given by drivers and witnesses.

If an account does not match the marks, damage or final vehicle positions, the reconstruction can help show where the inconsistency lies.

How the Findings Can Be Used

A forensic collision report can help with insurance claims by setting out the likely cause of the collision. It can also support court action where there is a disagreement about responsibility.

These investigations can also reveal issues outside the driver’s control, such as faulty street lights, unclear markings or road defects. Identifying these problems can help improve safety for other road users.

Summary

Forensic collision investigators help explain how and why a road traffic collision happened. Their work can be useful for claims, legal evidence and improving road safety.

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