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Advanced Analysis of Drivers' Responses   

Utilizing lectures, discussions and in-class demonstrations, Dr. Jeff Muttart will introduce you to scientific studies and analysis to answer the key questions involving aspects of driver behavior: reaction times (and delays), perception, visibility and impairment, among others. Topics will focus on obtaining a better understanding of what needs to be accomplished to assess the human role in the crash sequence.

You will be introduced to both the IDRR and V*Star software programs—tools you can use to help analyze driver’s responses—and will learn how to incorporate them into your crash reconstruction. The IDRR software is based on research from Jeff and others in the field.

Topics Include

  • Perception-Response Time
  • Response to slow moving or stopped vehicles on multi-lane high speed roads
  • Nighttime recognition
  • Driver decision making
  • Interactive Driver Response Research (IDRR)
  • Gap acceptance for left turns, right turns, and through movements for drivers, riders, and pedestrians
  • Pedestrian walking speeds
  • Acceleration
  • Lateral acceleration (swerving) for cars, motorcycles, and commercial vehicles
  • Forward and backward acceleration of cars, motorcycles and commercial vehicles
  • Drivers’ responses to green and yellow traffic signals, deceleration choice, reaction time and probability of stopping


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

Course Length

40 hours


You must have completed IPTM’s At-Scene Traffic Crash/Traffic Homicide Investigation course or its equivalent. It is strongly recommended that you have a minimum of five years of field experience in traffic crash investigation.

What to Bring


  • Laptop computer with Excel 2007 or newer with Windows XP and service pack, or newer (recommended for utilizing IDRR program) MACs - Office 2011 or newer
  • Scientific calculator


Upon successful completion, you will receive a three (3) month personal use license of “Interactive Driver Response Research” from CSS, LLC, to use the following:

  • IDRR (a human factors-based time/distance program)

ACTAR Information

IPTM's Advanced Analysis of Drivers' Responses course is eligible for 40 ACTAR CEUs.


Currently, there are no open enrollment classes scheduled for this course.  Click here to continue searching for other courses.

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