How Vehicle Collisions Are Investigated

After a road traffic collision, the people involved cannot simply drive away, especially where there is serious damage or injury. A forensic collision investigator can review what happened and build a clear account of the collision.

What Does a Forensic Collision Investigator Do?

A forensic collision investigator is a specialist who investigates road traffic accidents. Using forensic methods and vehicle knowledge, they can piece together how the collision happened.

They do this by collecting evidence from the scene, including photographs, witness statements, vehicle damage, debris and nearby structures.

What Happens During the Investigation

Investigators begin by assessing the scene. They take photographs from several angles, as the area will often need to be cleaned and made safe soon afterwards.

They may then speak to witnesses from people involved in the incident or those who observed it. Physical evidence is also collected, such as parts of the vehicles, road marks and damage to nearby objects.

Where needed, investigators may also collect DNA evidence to help confirm vehicle occupants at the time of the crash.

The evidence can then be used to create a forensic collision reconstruction. This may be produced using computer software to test witness accounts. For example, if someone gives an account that does not match the physical evidence at the scene, the reconstruction may help show that inconsistency.

Once the investigation is complete, the findings are set out in a report. This explains what happened, how it happened and what evidence supports those findings.

The Benefits of Collision Investigation

If you are involved in a collision, you may need evidence for your insurer. A forensic collision report can help show who was at fault and provide the key details needed to support a claim.

It may also be useful in court. If there has been a dispute about responsibility or damage, a forensic collision investigator can prepare a report and give evidence before a judge or jury.

An investigation can also identify external causes, such as poor road markings, faulty street lighting or road defects. When these issues are found, they may need to be addressed to help improve road safety.

Key Takeaway

Forensic collision investigators help explain the facts behind a road traffic collision. Their work can support claims, court cases and safer roads.

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