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Full as of 1/28/22.  There will be no more officers added to a wait list as of 2/4/22.

This intensive course will cover the unique characteristics of commercial motor vehicles and the special dynamics at play when one is involved in a collision.

Detailed information of the nomenclature and operation of commercial motor vehicles will provide you with a level of competence needed to have an adequate understanding of mechanical components, parts and pieces of the commercial motor vehicle and how they may factor into your investigation. To reinforce the concepts presented, you will conduct “hands-on” exercises and vehicle testing during the course.

Topics Include

  • Tractor-trailer nomenclature
  • Brake systems: configuration and operation
  • Wheels, rims and tires
  • Steering suspensions and frames
  • Trailer coupling devices – fifth wheels
  • Driver concerns – log books
  • Vehicle components
  • Center of mass determinations
  • Skid mark measurements and speed analysis
  • Jackknifing
  • Rollover
  • Vehicle dynamics in braking
  • Weight shifting

Course Length
40 hours

This course is designed for traffic crash investigators who have completed, at a minimum, BCI, ACI and Traffic Crash Reconstruction.  You should have a good working knowledge of the techniques and applications of the formulas presented in the basic course, as the presentation of mathematical formulas will build upon techniques already used by investigators.

What to Bring – Required
Scientific calculator

Work clothes for outside activities (including inclement weather)
Camera and equipment to document field exercises

ACTAR Information
IPTM’s Commercial Vehicle Crash Investigation – Level I course is eligible for 40 ACTAR CEUs.