The Safety Performance Function Tool is an Excel spreadsheet designed to fit parametric safety performance functions to collision data. It is intended for use by qualified traffic safety professionals who are familiar with the nature and use of safety performance functions.
- Matt Warren PE
This software is available free of charge at the following link:
Safety Performance Function Tool
Related Resources
Safety Performance Function Tool User’s Manual: This user’s manual provides an overview of the software and guides user’s through the basic operations, including installation, importing data, analyzing data, evaluating the results, and troubleshooting.
This information is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained herein. This information does not constitute a standard, specification, or regulation. The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturer's names appear in this information only because they are considered essential to the objective of this publication.
Any opinions, findings, and conclusions or recommendations, and translations thereof, expressed in this publication are those of the author(s) and do not necessarily reflect the views of the Federal Highway Administration.