Collision / Accident Reconstruction

Over 50 years in exceeding clients’ needs

DJS Associates, Inc. provides nationally recognized, board-certified forensic engineering consultants with over 50 years of experience in collision / accident reconstruction and investigation; highway safety; traffic engineering; and automotive / vehicular engineering, including expert testimony.

From data collection and documentation, through investigation, analysis and expert testimony, our forensic engineers utilize state-of-the-art technology including 3D laser scanning; 3D computer engineering animation and modeling; photogrammetry; computer reverse projection photogrammetry; event data recorder (EDR) download and analysis, as well as computerized collision reconstruction and simulation programs.

DJS Associates’ 24-hour emergency response team is available 7 days a week and has the expertise for proper scene documentation and evidence procurement.


Meet Our Collision Reconstruction Engineers


Justin P. Schorr, Ph.D - Accident Collision Reconstruction / Transportation Engineer
Principal Collision Reconstruction Engineer
Justin P. Schorr, PH.D

Justin P. Schorr, Ph.D. received his Doctorate and Masters from The George Washington University (GWU) and attended Northwestern University for his undergraduate degree.


Presently, Justin is a post-doctoral researcher and adjunct professor at GWU teaching Sustainable Urban Dynamics and Intelligent Transportation Systems – as well as the programming portion of Engineering Computations. With DJS Associates, Justin provides engineering analysis to law firms, insurance companies and government entities for collision reconstruction, highway safety, traffic and transportation matters.


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Robert T. Lynch, PE - Accident Reconstruction Expert
Principal Collision Reconstruction Engineer
Robert T. Lynch, PE

Bob Lynch, a Mechanical Engineer with DJS Associates, specializes in collision reconstruction with an emphasis on pedestrian collisions, nighttime visibility analysis, heavy vehicle reconstruction and Crash Data Retrieval (CDR).


Bob received his MS in Mechanical Engineering from the University of Virginia and his BA in Physics and Mathematics from Franklin and Marshall College. Bob is a Professional Engineer (PE) and has testified on behalf of both the plaintiff and defense. Additionally, he has lectured to several organizations in the legal and insurance industry. Robert is a member of numerous professional societies including the National Association of Professional Engineers (NAPE), Pennsylvania Society of Professional Engineers (PSPE), Society of Automotive Engineers (SAE), American Society of Safety Engineers (ASSE), National Association of Professional Accident Reconstruction Specialists (NAPARS) and National Society of Traffic Accident Reconstructionists and Investigators (NATARI).


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James R. Schmidt, Jr., BSME - Accident / Collision Reconstruction Expert
Collision Reconstruction Engineering Analyst
James Schmidt, Jr., BSME

Jim received his BSME from the University of Maryland where he graduated magna cum laude in the top 1% of all graduating BSMEs.


Jim’s experience ranges from inspecting collision sites and vehicles, to evaluating physical evidence resulting from a collision, ultimately reconstructing such things as vehicle speeds and dynamics, as well as timing of crash sequences. All types of collisions involving all types of motor vehicles, as well as pedestrians, are evaluated. Jim has significant expertise and proficiency in the utilization of state-of-the-art computer technology in the collection of field data, the analysis of photographs and vehicular damage, and the analysis and simulation of vehicle dynamics.


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Steven M. Schorr, PE - Accident / Collision Reconstruction Engineer
January 14, 1958 – April 9, 2019
Steven M. Schorr, PE President

As diligently as Steve worked for his clients and cultivating relationships with them, he exerted the same effort here at DJS by fostering an environment where employees became teammates, and teammates became family. Currently 34 members strong and growing, the DJS family includes paralegals and case managers; field technicians and data collection specialists; research, marketing and administrative professionals; technical support specialists; and animation, automotive, and collision reconstruction engineers. Together this team possesses a wealth of experience and knowledge in the forensic services industry.


Indeed, it is based on this experience, combined with the legacy and work ethic that Steve instilled in us, that the DJS family will proudly continue moving forward by providing our clients an unparalleled work ethic predicated on integrity, fairness, and solid experience. Our roots are deep, our foundation is strong, and our commitment to all of you is as strong as it has been, since 1961. This is the legacy that we know Steve would have wanted for all of us.



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