International Resources

Effectiveness of Road Safety Engineering Treatments
https://www.onlinepublications.austroads.com.au/items/AP-R422-12

An Introductory Guide for Evaluating Effectiveness of Road Safety Treatments
https://www.onlinepublications.austroads.com.au/items/AP-R421-12

iRAP Road Safety Toolkit
http://toolkit.irap.org/

Austroads Road Safety Engineering Toolkit
http://www.engtoolkit.com.au/

United States Road Assessment Program
http://www.usrap.us/home/
The usRAP website includes risk map protocols, tools, and the underlying research behind the program.


The information contained in the Crash Modification Factors (CMF) Clearinghouse 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 in the CMF Clearinghouse. The information contained in the CMF Clearinghouse does not constitute a standard, specification, or regulation, nor is it a substitute for sound engineering judgment.