When vehicles are involved in a crash, the scene can hold key evidence about what happened. This is especially important where there is injury, major damage or a dispute over responsibility.

What a Forensic Collision Investigator Does

A forensic collision investigator examines road traffic collisions using physical evidence, technical knowledge and witness accounts. Their aim is to explain how the collision took place.

Examining the Evidence

The investigation often begins with a careful inspection of the location. Photographs are taken before the road is cleared or repaired, giving investigators evidence they can return to later.

They may gather vehicle fragments, tyre marks, debris and damage evidence. Statements may also be taken from drivers, passengers and witnesses.

Where appropriate, biological evidence may be used to help confirm the occupants of the vehicles 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 physical evidence, 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 legal proceedings where there is a disagreement about responsibility.

These investigations can also reveal issues outside the driver’s control, such as poor lighting, faded road markings or unsafe road layouts. 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 insurance matters, court cases and road safety reviews.

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