Pedestrian Crossing Accident Leads to Speed Inquiry of Driver


This case involves a plaintiff who was struck by a vehicle, causing serious injuries. The plaintiff was walking his dog, and the plaintiff had to cross a road with six lanes at an intersection. While they crossed the street, a pickup truck struck the plaintiff.

Question(s) For Expert Witness

  • 1. How fast was the truck going when it hit the plaintiff, and where did the plaintiff make an impact with the truck?

Expert Witness Response E-001113

Determining speed depends entirely on what evidence there is available, unless an ECM (blackbox) output has been obtained. Even without an ECM, there is a good probability of determining speed. I specifically handle 3D computer simulations/animations of auto versus bicycle accidents. I have more than twenty-six years of full time experience in accident reconstruction, safety, and forensic engineering. I have investigated, analyzed, and reconstructed more than three thousand accidents. I have supervised and trained many engineers and physicists in the field of forensic engineering.

Expert Witness Response E-001109

Expert-ID: E-001109

The post impact position of the pedestrian can be used to estimate the speed at impact, as well as the post impact position of the vehicle. I would be happy to take on this case. I am a licensed private investigator, and I have participated in SIU investigations of fraudulent injury and auto theft claims as well as auto repair fraud. I have many years of field and courtroom experience. In addition, I served on expert panels for the Los Angeles County Superior Court, criminal prosecution, and defense.

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