Sign In   |   View Cart   |     |   Help
E-mail to a Friend
Return to Course Catalog

Course Catalog

Determining Speed from Gear Position (VoD)  

This two-hour Video on Demand (VoD) will teach you how to identify the various types of transmissions and axles installed on commercial vehicles. You will learn how to obtain information from the vehicle that will allow you to establish gear position. Then, using this data, we will show you how you can apply an equation to establish the vehicle’s speed.

Topics Include

  • Commercial vehicle engines
  • Commercial vehicle transmissions
  • Tire dimensions
  • Gear positions
  • Mathematical equation for determining speed from gear position


This is a live recording of a Symposium on Traffic Safety breakout session.


Law enforcement, crash reconstructionists, private investigators and state attorneys

Course Length

2 hours

Online Details

Online environment: Videos on Demand (VoDs) provide comprehensive, subject-specific information and must be viewed within 30 days upon registration. Once the 30-day period has ended, you may have limited access.

Computer requirements: You will complete the course entirely online. A dependable broadband internet connection with a Windows or Mac computer is required.

ACTAR Information

IPTM's Determining Speed from Gear Position course is eligible for 2 ACTAR CEUs.

This course is not eligible for certificate discounts.


Determining Speed from Gear Position (VoD)
    Ongoing Online    
Instructor:   Fee: $85.00
Note:  Log-in instructions will be included in the confirmation letter sent to the email address listed in the student profile. Students will have 30 days from the time of registration to complete the training.