About the Clearinghouse

CMF Clearinghouse Brochure (PDF, 2.3 MB)
Read a quick overview of the Clearinghouse and its main features.

CMF Clearinghouse Launch Webinar
The Federal Highway Administration hosted a launch Webinar in December 2009 to announce the new CMF Clearinghouse, provide an overview of CMFs and demonstrate the features of the clearinghouse Web site. Please visit http://fhwa.na3.acrobat.com/p69638484/ to access an archived version of this Webinar.


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.