Research for AASHTO Standing Committee on Highways. Task 314. Recommended Protocol for Developing Crash Modification Factors

The objective of this research is to prepare a recommended protocol for the development of crash modification factors (CMFs) to assure their accuracy and their suitability for use in planning safety improvement programs. The protocol would establish acceptable and consistent methods for developing CMFs that are statistically rigorous, are free of biases, will meet the CMF quality criteria for inclusion in the Highway Safety Manual (HSM) and the Federal Highway Administration (FHWA) CMF Clearinghouse.


  • English


  • Status: Completed
  • Contract Numbers:

    Project 20-07, Task

  • Sponsor Organizations:

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  United States  20001
  • Performing Organizations:

    University of North Carolina, Chapel Hill

    Highway Safety Research Center
    730 Martin Luther King, Jr. Boulevard
    Chapel Hill, NC  United States  27599-3430
  • Principal Investigators:

    Carter, Daniel

  • Start Date: 20110329
  • Expected Completion Date: 0
  • Actual Completion Date: 20120228
  • Source Data: RiP Project 38759

Subject/Index Terms

Filing Info

  • Accession Number: 01548321
  • Record Type: Research project
  • Source Agency: Transportation Research Board
  • Contract Numbers: Project 20-07, Task
  • Files: TRB, RiP
  • Created Date: Dec 23 2014 1:00AM