Accident Reconstruction

An accident reconstruction is a scientific approach to solving the questions of how and why an accident occurred. Reconstructing accidents requires a methodology that begins with known data such as vehicle final rest positions, accident scene evidence and vehicle damage.

Our Accident Reconstructionists are ACTAR Certified and conduct in-depth collision analysis and reconstruction to identify the causation and contributing factors in different types of collisions, including the role of the driver(s), vehicle(s), roadway and the environment. Our accident reconstruction are law enforcement specialists and provides rigorous analysis that the expert can present at trial.

Forensic Analysis

Accident reconstructions are often done when personal injury is involved and in some cases involving fatalities. Our experts are prepared to defend their scientific based analysis and conclusions in court.

The Accident reconstructionist examines physical, pictorial and document evidence to supply an opinion as to what really happened in an auto accident. Usually issues have arisen between claimant or plaintiff and insured as to what speeds were involved (vehicle dynamics), who was driving within the law and who wasn’t, who turned legally and who didn’t, and many other questions relating to “Who caused the accident?” Commonly asked questions are, “Both drivers said they had the green light, so which one really did?” and “What were the speed and g-forces and probability for injuries in this accident?” Garrett’s reconstructionist, as his name indicates, reconstructs what happened during the accident.

Site Inspections

Accident Reconstruction involves visiting the scene of a collision, gathering all the details regarding the conditions leading up to the accident, and inspecting the vehicles involved. Our Accident Reconstruction experts are trained to thoroughly inspect the accident site to determine all aspects of the incident, including but not limited to road conditions, visibility, brake skid mark analysis, traffic controls, lighting, and signage, as well as all the necessary site measurements to fully understand the accident.

Vehicle Inspections

As part of an accident reconstruction, Garrett’s experts conduct a physical inspection of the vehicle(s), involved in the incident, and they take necessary photographs and measurements to determine the accident’s cause and the extent of damages involved.  Speed and g-force calculation can be determined by examination of the crush damage.

Event Data Recorder Download & Analysis

How fast was the car going when it crashed?
Was the driver on the gas or on the brakes?
What are the probabilities for injury?
What was the Delta V?

If you would like to know these answers, then an EDR download and analysis may be helpful. Please remember that available EDR information depends upon the manufacturer and make/model/year of the vehicle.

Data from the EDR can provide valuable information such as the speed of the vehicle moments before the collision, brake status, throttle position, ignition cycles, Delta V forces, seat belt status, time between events, and other important accident related data. EDR information may also be used to verify witness statements.

When an air bag deploys, very useful information about that event may be stored in the Vehicle’s Event Data Recorder (EDR). Garrett’s experts, who have completed the authorized Bosch CDR Technician Course, utilize Bosch equipment to download the data from a vehicle. With this information, our Certified EDR analyst then interprets the EDR data, and use this information, along with photographs, police reports, witness statement, repair estimates, etc., for accident reconstruction and to help determine what really happened.

It is essential that you always protect your company from allegations of intentional spoliation by gathering and preserving the EDR information now, while it is still available. This information may be critical for a complete situational analysis and accident reconstruction.

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