Forensic Engineers and Consultants

Blog Posts by: Al Duncan

Author Al Duncan

Al_Duncan_WEB

Expertise Includes:

  • Vehicle Collision Reconstruction
  • Crash Data Retrieval
  • Forensic Mapping Technology
  • Motorcycle Collision Reconstruction
accident

Are 10 Minutes Worth the Risk?

Author

Before retiring as a S.C. State Trooper, and to this day, people routinely ask me, “How fast can I go before I get a speeding ticket?” Let me start by saying one mile per hour over the speed limit can subject you to a speeding ticket. While different officers have different standards, it is easier to talk your way into a ticket than to talk your way out of one. So, much like the number of licks to get to the center of a Tootsie Roll Tootsie Pop, the world may never know an exact answer to how fast you can go over the posted limit without a citation. A better question is ‘What is the benefit of exceeding the posted limit?’ Read More

total_station_fi

Piecing it Together…Traced Evidence

Author

In the field of forensic investigations of traffic collisions, it can be repeated over and over that little things matter. It’s the details that align the facts to describe the event and answer the questions about the crash. Sometimes those details are simple, and they are often overlooked. The damage sustained by a vehicle involved in an accident tells a reconstructionist a lot. Your collision reconstruction could benefit from mapping the damage profiles of the involved vehicle(s) to assist in answering questions about the incident. Read More

Black box inside car

Event Data Recorders and Collision Investigation

Author

Event Data Recorders (EDRs) were first introduced by General Motors (GM) in 1974.   That data was only available to GM; however, since 1994 more and more vehicle EDR’s have recorded data that can be gathered.  The data captured can be imaged and is being used by vehicle manufacturers, law enforcement officers, and collision reconstructionists to better understand what is happening in a collision.  In accident investigation, EDRs have the potential to provide independent measurements of crash data that would elsewise be estimated by Read More

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