4N6XPRT Systems "data packet" for the 4 Crash Test vehicles containing the Expert VIN DeCoder, Expert AutoStats, and 4N6XPRT StifCalcs output for the 4 test vehicles

Download "Data Packet"

As part of prepping the vehicles, each vehicle was weighed. A spreadsheet comparing the actual weighed vehicle weights to the weights for the vehicles in Expert AutoStats can be downloaded here

Weight Comparison - Actual vs Expert Autostats

Compilation Video - CT1
The IPTM Symposium Crash Ttesting ws conducted on May 19 this year. This year, the "theme" was "Out of Position vehicles at the end of a first incident, then hit in a second incident"
To that end, the first test (CT1) had a Chevrolet Aveo on its side, and it got hit by a Kia Forte Sedan. Impact was between the front of the Forte and the roof of the Aveo, with the Forte traveling at about 61 mph.

IPTM Symposium 2025 - CT1 Compilation Video

Compilation Video - CT2
The IPTM Symposium Crash Ttesting ws conducted on May 19 this year. This year, the "theme" was "Out of Position vehicles at the end of a first incident, then hit in a second incident"
To that end, the second test (CT2) had a Mazda 3 on its roof, with a Jeep Compass impacting it on its side traveling at a speed of about 61 mph (gotta love the consistency of the tow driver Jon Northrup!!). Although impact into the side of the vehicle is not abnormal, the twist is that, because it was on its roof, most of the impact was up by the top of the door, rather than down by the stiffer floor pan.

IPTM Symposium 2025 - CT2 Compilation Video

The first part of this presentation deals with some common, but misunderstood, problems within the NHTSA Crash Test data. This is then followed by three recent case examples. The first case illustrates how some of the misconceptions and problems can lead to an error in calculating speeds in the subject collision. The second and third example show why the crash investigator/reconstructionist cannot rely upon having EDR/CDR information available, and how crush analysis and other traditional methods can still provide "workable" information.

Download Crash Test Data and Common Misconceptions Presentation - 1 Slide per page

Selected videos from the 2023 Pennsylvania State Patrol conference that help to illustrate some of the issues and problems discussed in the first part of the presentation.

Videos from the 2023 PSP conference that help to illustrate the problems referenced in the first part of the presentation.