"Nighttime Crash Scene Investigation", 2 hours with Dr. Jeffrey Muttart
Our speaker will be Dr. Muttart, the Director of Research and Training at the Driver Research Institute, LLC, in CT, USA. Learn more at their website: https://driverresearchinstitute.com/
DATE: Thursday, 04 January 2024
TIME: 12 noon - 2 pm Eastern Standard Time
COST: Free for NAPARS member; $5 for non-members
LOCATION: Worldwide Via Zoom
ACTAR: This event will be submitted to ACTAR for CEU consideration.
Registered attendees will be able to request an attendance certificate.
"Illuminating the Truth: A Systematic Approach to Nighttime Crash Scene Investigation"
1. Introduction
Overview: Importance of accurate nighttime crash scene documentation
Objective: Teach investigators to avoid biases and ensure fairness in documentation
2. Understanding Nighttime Visibility
The challenge of nighttime investigations
Common misconceptions about visibility at night
Realities of driver perception vs. pedestrian/investigator assumptions
3. The Role of Bias in Crash Investigation
How prior knowledge can skew perceptions
Recognizing and mitigating investigator bias
Case studies: Biased vs. unbiased investigation outcomes
4. Signal Detection Theory in Crash Investigations
Explaining the basics of signal detection theory
Application in analyzing crash scenarios
Contrasting results: With and without signal detection theory application
5. The CAPLETS Approach
Introduction to CAPLETS: Contrast, Anticipation, Pattern, Lighting, Eccentricity, Time of Exposure, Size
How each factor influences crash scene visibility
Applying CAPLETS for comprehensive scene analysis
6. Hands-on Techniques for Scene Documentation
"At-scene approach": Practical steps for on-site investigation
Using a contrast gradient target: Ensuring image accuracy
Effective methods for taking light meter readings
Incorporating artificial light sources: Headlights and streetlights
7. Developing Best Practices
Rules of thumb for nighttime investigation
Checklist for investigators
Avoiding common pitfalls
8. Concluding Thoughts
The importance of objective, systematic investigation
Resources for further learning and practice
9. Workshop Activities
Practical exercises on applying the CAPLETS approach.
Simulated crash scene investigation
Review and feedback session
10. Closing Remarks
Final Q&A Session
Reminder of investigator’s responsibility for unbiased documentation
