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Course Catalog > Crash Investigation

Human Factors in Traffic Crash Reconstruction   

This introductory course examines a variety of human factors to determine "why" a collision occurred. We utilize lectures, discussions, in-class demonstrations and outside field exercises to give you an appreciation for the importance of human factors in explaining collision causation. You will gain an understanding of how frail human evidence is and why the ability to interpret and analyze physical evidence is critical to the success of any collision investigator.

In addition to the driver, vehicle and roadway characteristics that must be considered in an investigation, this course also addresses the nature of perception and reaction, the factors affecting the investigator's choice of perception-reaction values as well as eyewitness reliability.

Topics Include

  • The nature of the driving task
  • Factors affecting driving performance, such as age, alcohol/drug use, fatigue, divided attention, driver distraction, and many others
  • Human vision/perception and how we see anything in the driving environment
  • The nature of driver perception and reaction and how to assign times
  • Day vs. night
  • Computerized perception-reaction time estimation
  • Driver looking behavior
  • The value and reliability of eyewitness evidence
  • Eyewitness evidence versus physical evidence
  • Important vehicle and roadway factors that should be considered


Law enforcement and private traffic crash investigators, claims adjusters, engineers, prosecuting attorneys, safety officers, military investigative personnel, animators and graphic designers

Course Length

40 hours

What to Bring


  • Stop watch or similar timing device


  • Camera and equipment to document field exercises
  • Flash drive (2GB or higher)
  • We highly recommend bringing a laptop to access electronic data and materials.


You must have completed, at a minimum, IPTM’s Advanced Traffic Crash Investigation course or its equivalent.

ACTAR Information

IPTM's Human Factors in Traffic Crash Reconstruction course is eligible for 40 ACTAR CEUs.

What Our Students Are Saying

  • "I absolutely loved this class! The research and information were great. Jeff and Tim kept the class super interesting and fun." – State Trooper A.C.
  • “This was absolutely useful. Eyewitness recollections will impact my career for the rest of my career. This course opened my eyes to the limitations.” – T.S.
  • “I loved the exercises that demonstrated how the mind works.” – M.W.
  • “Excellent addition to ped/bike course.” – M.G.
  • The instructor was an excellent instructor. He made the course material interesting and easy to understand. He is a very engaging instructor who was very knowledgeable.” – D.O.
  • “Involved projects to solidify knowledge that can also be applied as first hand knowledge for testimony in court.” – P.G.
  • “The topics covered are relevant to current reconstruction issues including cell phone technology use in vehicles.” – D.R.







Schedule Changes

This schedule is subject to change without notice. If you have not received an official confirmation email prior to the first day of class, please contact us at (904) 620-4786 or before traveling or making airline reservations.

Registration and Fees

Full payment must accompany all registrations. You may register online and pay with your Visa, MasterCard, Discover or American Express credit card, or you may download a Registration Form and mail it to IPTM with a check.

Cancellation/Refund Policy

Complete the Cancellation Request Form and return it to IPTM. No telephone cancellations will be accepted. A 20% administrative fee will be assessed to all refunds if the cancellation request is received within 14 days of the course start date. In lieu of a refund, student substitutions can be made or a credit can be issued for a future course. No refunds will be given for no-shows. If materials for an online course were sent to the student, the appropriate materials and shipping costs will be deducted from the refund amount. Materials may be returned to IPTM in their original condition at the student's expense. Once IPTM has received and inspected them, the refund will be processed.

Due to the automated format of online independent study courses and Videos on Demand (VoDs), no refunds or substitutions can be made after registration.

Course Confirmations

A minimum number of registrations must be received for an in-person class to run as scheduled. When the minimum criterion has been met, written confirmation will be emailed to you. Please do not travel or make airline reservations until you receive written notification confirming that the course will run as scheduled.

Transportation and Lodging

Most locations are served by several major airlines. Ground transportation, food and lodging are the responsibility of the student. Special rates have been negotiated at select hotels in Jacksonville for IPTM students. For more information, please visit our Locations/Lodging page or call us at (904) 620-4786.

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