CMF Most Wanted List

The list below represents areas or specific countermeasures for which the CMF Clearinghouse does not have CMF information. These areas have been shown to be of interest to users of the Clearinghouse based on an analysis of searches conducted. Essentially, the question posed was, "what are people searching for but not finding?"

This list represents an analysis of user searches made over a three-year period, from July 2013 to June 2016. The items listed represent areas where crash-based safety evaluation research is needed – a CMF "Most Wanted" list.

* Also appeared on the previous CMF Most Wanted list from 2013


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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.