National Association of Professional Accident Reconstruction Specialists

Members get access to the Reference Library of technical papers and crash related reference materials, and a NAPARS exclusive: all back-issues of Accident Reconstruction Journal and Accident Investigation Quarterly, and more! Click Join for more details!   


 Accident Reconstruction Journal update, August 2023: Issue 33(4), #196 is out.

 NAPARS News update, 19 July 2023: The second newsletter this year is out!

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Upcoming events

    • 20 Oct 2023
    • 15:00 - 17:00
    • Worldwide via Zoom
    • 1425

    "Evaluating Red Light Running Cases", 2 hours with Soan Chau

    DATE: Friday, 20 October 2023
    TIME: 3pm-5pm EDT (GMT-4)
    COST: Free for NAPARS member;  $5 for non-members
    LOCATION: Worldwide Via Zoom

    ACTAR: This event has been approved for 2 CEUs (signing in with i-Attend during the show will be required, so get the new version on your phone in advance)

    Registered attendees who want an attendance certificate will be asked to log into JotForms during the show, and enter their name and email. Certificates will be emailed shortly after the event.

    The topics to be covered are to help Reconstructionists solve most common Red Light Running (RLR) crashes at Signalized Intersections.

    ·         Identify common types of signalized intersection crashes

    ·         Sensors and Vehicle Detectors, advantages and disadvantages of each

    ·         Red Light Running (RLR) mitigation methods, does it work?

    ·         How to get RLR documents

    ·         Is your intersection part of Coordination, what does it mean?

    ·         Indecision Zones

    ·         How Traffic Engineers calculate Clearance Intervals

    ·         Local Traffic Engineers will NOT interpret Public Record Requests

    ·         When to request for documents

    ·         When is it NOT solvable

    • 08 Apr 2024
    • 08:00 (CDT)
    • 12 Apr 2024
    • 14:00 (CDT)
    • Embassy Suites 1815 S. Meridian Oklahoma City, Oklahoma 73108
    • 207



    NAPARS is proud to announce that we are celebrating 40 years, by offering the "Symposium on EDR Research and Training."

    Dates:  April 8, 2024 through April 12, 2024

    Location: Oklahoma City, Oklahoma

    Facility:  Embassy Suites 1815 S. Meridian Oklahoma City, Ok.

    Cost: $499.00/person

    Don't miss the opportunity to receive EDR Training from some of the world's best known EDR specialists for FIVE days at the lowest rate available for this type training.

    Format:  The Symposium on EDR Research and Training will include updates and training regarding EDR's on cars, light trucks, motorcycles and heavy vehicles.

    Car and Light Truck EDR speakers:

    • Brad Muir of Crash Data Specialists
    • Wes Vandiver of Berla
    • Kent Boots of Kent E. Boots & Associates
    • Nick Manz of Toyota
    • Don Floyd of General Motors
    • Tommy Beetham of General Motors
    • Andy Rich of Rich Consulting LLC
    • Richard Ruth of Ruth Consulting

    Motorcycle EDR speakers:

    • Ed Fatzinger of Momentum Engineering
    • Andre Doria of Compass Kinetics

    Heavy Vehicle EDR speakers:

    • Dave Plant of D.P. Plant & Associates
    • Greg Wilcoxson of Wilcoxson Consulting LLC
    • Matthew DiSogra of Delta V
    • Brad Higgins of Mecanica Scientific Services Corp. 
    • Wes Grimes of Mecanica Scientific Services Corp
    • Steve Anderson of The Forensic Training Group
    • James Loftis of The Forensic Training Group

    Additional presenters and topics will be announced as they are confirmed.

    The cost of the Symposium includes lunch each day and breaks.

    Limited seating is available so reserve your seat today.

    Lodging is currently at the Embassy Suites 1815 S. Meridian in Oklahoma City, OK. The hotel offers free shuttle service from Will Rogers World Airport from 6:00 am to 10:00 pm each day. At the hotel you will receive a free breakfast, as well as the usual Managers greeting each evening. Rates are set at $114.00/night. Please click on the link below to reserve your room.

NAPARS membership includes a complimentary subscription to the digital edition of the Accident Reconstruction Journal, which comes out 6 times each year. ARJ provides timely, reliable, and fresh research, thought-provoking reconstruction related studies and meaningful crash test data from multiple sources.
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