Version 02.18.2026
CrashMatrix Pro - Privacy Policy
Last updated: February 2026
Data Collection
CrashMatrix Pro does not collect, store, transmit, or share any personal information or user data. All calculations are performed locally on your device.
No Account Required
The app does not require user registration, login, or any form of account creation.
No Analytics or Tracking
The app does not use analytics tools, cookies, advertising identifiers, or any form of user tracking.
No Network Communication
All formulas and calculations run entirely on your device. The app does not communicate with external servers, APIs, or databases.
No Data Sharing
No data of any kind is shared with third parties.
Children's Privacy
The app does not knowingly collect information from children under 13. Since no data is collected from any user, the app is compliant with COPPA.
Changes to This Policy
If this policy is updated, the changes will be posted on this page with an updated date.
Contact
For questions about this privacy policy, contact: Brian Watson
Email: [your email here]
CrashMatrix Pro - Disclaimer & Credits
DISCLAIMER
Professional Disclaimer
CrashMatrix Pro is provided as a reference and calculation aid only. It is not a substitute for professional training, experience, or judgment. All results produced by this application must be independently verified by the user before being relied upon for any purpose, including but not limited to legal proceedings, insurance claims, or official reports.
No Warranty
This application is provided "as is" without warranty of any kind, express or implied. The developer makes no representations or warranties regarding the accuracy, completeness, or reliability of any calculations. Users assume all risk associated with the use of this application and its outputs.
Limitation of Liability
The developer shall not be liable for any direct, indirect, incidental, consequential, or special damages arising from the use of or inability to use this application, including any errors in calculations or results.
User Responsibility
Users are solely responsible for verifying all inputs, outputs, and assumptions. Professional accident reconstruction requires formal training and certification. This tool does not replace the need for qualified expertise.
CREDITS & ACKNOWLEDGMENTS
Formulas & Methods
The formulas and calculation methods in this application are based on established principles of physics and engineering as applied to traffic collision reconstruction. These formulas are derived from publicly available scientific and engineering literature and are widely taught in professional reconstruction courses across the United States.
Referenced Methods
Certain calculation methods are identified by the names of researchers who developed or published them, including but not limited to Searle, Collins, Wood, Eubanks, and Campbell. These names are used solely for identification purposes to help practitioners recognize familiar methods. Their use does not imply endorsement, affiliation, or sponsorship by any individual or organization.
CRASH3 Program
References to the CRASH3 methodology relate to the public-domain crash analysis program originally developed by the National Highway Traffic Safety Administration (NHTSA). CRASH3 formulas and stiffness coefficient conversions are included as standard tools used in the reconstruction community. This application is not affiliated with or endorsed by NHTSA.
Standards & References
References to AASHTO (American Association of State Highway and Transportation Officials) standards, such as design reaction times, are cited from publicly available design guidelines. This application is not affiliated with or endorsed by AASHTO or any standards organization.
No Affiliation
CrashMatrix Pro is an independently developed application. It is not affiliated with, endorsed by, or sponsored by any training institution, government agency, university, or professional organization. Any references to training courses, published methods, or industry standards are for identification and educational purposes only.
Developer
CrashMatrix Pro was created by Brian Watson, current north Texas Peace Officer, drawing on over 35 years of experience in law enforcement and traffic collision investigation. The application was developed as a practical tool for fellow professionals in the field.
brianwatson0109@icloud.com