J2969_202401 Use of the Critical Speed Formula

Reaffirmed

01/17/2024

Features
Issuing Committee
Scope
Content
This SAE Recommended Practice provides guidelines for procedures and practices used to obtain and record measurements and to analyze the results of the critical speed method. It is for use at accident sites using manual or electronic measurements. The method allows for many unique factors and the recommended procedure will permit a consistent use of the method in order to reduce errors and uncertainty in the results. The results from the critical speed formula should always, when possible, be compared to other accident reconstruction methodologies. When different accident reconstruction methods are used, the uncertainty of each method should be analyzed and presented.
Rationale
Content
This SAE Recommended Practice was developed to provide a guideline for the recommended use of the critical speed formula. The basic procedures and techniques for data collection and use of the method shown in this document are not to be considered all inclusive.
SAE J2969 has been reaffirmed to comply with the SAE Five-Year Review policy.
Meta TagsDetails
DOI
https://doi.org/10.4271/J2969_202401
Pages
9
Citation
SAE International Recommended Practice, Use of the Critical Speed Formula, SAE Standard J2969_202401, Reaffirmed January 2024, Issued January 2017, https://doi.org/10.4271/J2969_202401.
Additional Details
Publisher
Published
Jan 17
Product Code
J2969_202401
Content Type
Recommended Practice
Status
Reaffirmed
Language
English

Revisions