NAPARS upcoming events

Advanced Crash Reconstruction Utilizing Human Factors Research (27 Apr 2026)

Mon, 27 Apr 2026 12:00:00 GMT

ADVANCED CRASH RECONSTRUCTION

UTILIZING HUMAN FACTORS RESEARCH

Instructed by: The Driver Research Institute

Dates: April 27 - May 1, 2026

Location: King County AFIS Training Center

900 Oakesdale Avenue SW

Renton, Washington 98057

Costs: $900 for NAPARS Members

$1000 for non-members

If you chose to register for the class and receive an invoice, that invoice will need to be paid no later than April 1, 2026, to remain on the roster. As most of you know, NAPARS does refund your registrations fees if you need to cancel. Thank you for understanding.

**(This class is a Hybrid Class. You do not have to attend in person. If you chose to attend virtually, you will receive a link for attendance.)**

Class Description:

Obtain a better understanding of the human role in various crash scenarios and learn to compare and evaluate human actions. Curriculum includes driver and pedestrian behaviors, response and reaction times, delayed response, recognition and perception, nighttime recognition and impairment, and more. Participants also are introduced to Driver Research Institute’s Response, a cloud-based tool that helps analyze driver responses. Students receive a 7-day trial and learn how to incorporate it into their reconstructions.

Perception-response time
Interactive Driver Response Research (IDRR)
Driver decision-making
Nighttime recognition
Gap acceptance for left & right turns
Through movements for drivers, riders & pedestrians
Pedestrian walking speeds
Acceleration
Lateral acceleration (swerving) for cars, motorcycles, and commercial vehicles

Forward & backward accelerations
Driver responses to traffic signals, deceleration choices, reaction time & probability of stopping

More!

Microsoft Excel for Traffic Crash Reconstruction W/Andy Rich (02 Jun 2026)

Tue, 02 Jun 2026 13:00:00 GMT

THREE-DAY CLASS (Live)

This course will teach the reconstructionist how to use Microsoft Excel to solve just about every reconstruction problem that may be encountered. NO prior experience with Excel is necessary. This course begins at Step 1! Some of the topics covered:

Writing formulas in Excel
Spin Analysis
Conservation of Linear Momentum ("360 Momentum").
Airborne
Critical speed yaw
Sensitivity analysis
Performing Monte Carlo simulation with Excel
Performing finite difference analysis with Excel
Using Excel for EDR analysis
Closing speed analysis
Obtaining delta-V from acceleration data
Graphing for the jury
Programming your own user-defined reconstruction functions and add-ins
Solving simultaneous energy/restitution and momentum equations using Solver
Cell formatting
Conditional formula execution
Option buttons
List boxes
Using names to refer to cells and ranges

Requirements: All students must have completed reconstruction or technical and must have access to a laptop running Microsoft Excel version 2010 or greater.

This course has been approved for 24 ACTAR CEUs

Tuition includes a printed and bound copy of Microsoft Excel for Traffic Crash Reconstruction: A Concise Reference, by Andrew Rich

If you choose to be invoiced for the registration, please have your registration paid in full, no later than 45 days prior to June 2nd, 2026. If you are with a Law Enforcement Agency, and your agency is responsible for your registration and they want to pay by check, please have them contact our Administrator Wade Bartlett at admin@napars.org asap to set the payment up please. Thank you for your understanding.

Fort Worth PD has recommended lodging at the Hyatt Place Fort Worth/Cityview at 5900 Cityview Blvd. Fort Worth, Texas 76132. (The hotel is approximately 7 miles from the facility hosting the class) They have offered a special rate by clicking on the link below.

https://www.hyatt.com/hyatt-place/en-US/dfwzc-hyatt-place-fort-worth-cityview

2026 Joint Conference hosted by NAPARS (20 Oct 2026)

Tue, 20 Oct 2026 12:00:00 GMT

2026 Joint Conference

Hosted by NAPARS

NAPARS is happy to announce the 2026 Joint Conference will be held at "The Grand Hotel" in Ocean City, Maryland October 20, 2026, thru October 22, 2026. The conference will include crash testing, scheduled for October 20, 2026, along with new data and results from underride testing involving Heavy Vehicle Collisions in 2026. This testing was conducted by NAPARS, Forensic Training Group, and Crash Data Specialist Crash Team Members.

The theme for 2026 is "Heavy Vehicles"

Speakers.

We have a special guest speaker who works with Autonomous Commercial Motor Vehicles!

Scott Skinner: Forensic Training Group (Forensic Training Group - Home)

Matt Conley: Forensic Training Group (Forensic Training Group - Home)

James Loftis: Forensic Training Group (Forensic Training Group - Home)

Matt DiSogra: (Delta-V Homepage - DELTA |v|)

Brad Muir/Greg Russell: Presenting our Crash Test Results

Terry Kummer: Crash Investigation Specialist with CVSA

Lodging and the conference will take place at

"The Grand Hotel" 2100 Baltimore Ave. Ocean City, Maryland 21842. The following are the room rates: $79.00/night regular room, $89.00 per/night ocean view room and $104.00 per/night for the direct ocean view room. You can book your rom by calling The Grand Hotel at 410.289.9161 and either mention the NAPARS Group or the reservation code "APAR26" (These discounts are NOT Available online)

On October 20th, there will be live crash testing take place and lunch will be provided.
October 21st, there will be a provided breakfast prior to the first speaker, lunch during the day, and diner will be provided.
October 22nd, breakfast and lunch will be provided.