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Compliance Reviews Effectiveness Model

From FY 2002 through FY 2009, the Compliance Review Effectiveness Model (CREM) measured the direct impact of compliance reviews (CRs) on carriers that received CRs. The CREM is based on data from the individual and cumulative "before and after" changes in the safety performance of carriers that received CRs in a given year. The model compares a motor carrier’s crash rate in the 12 months following an onsite CR to its crash rate in the 12 months prior to that review. The change in crash rate is adjusted for the observed change in crash rate for carriers not receiving CRs.

To learn more about the CREM and the impact of CRs on carriers, view the CREM reports found here.

–>View Model Reports
Compliance Reviews Effectiveness Model - National Results
Model Implementation for Motor Carriers with CRs in:CY 2002CY 2003CY 2004FY 2005FY 2006FY 2007FY 2008FY 2009
Compliance Reviews Conducted12,13911,08610,67111,43114,42615,53014,90615,807
Motor Carriers that received compliance reviews and:
  • were interstate or intrastate HM,
  • were active in the 12 months before and after their CRs,
  • had 1 or more power units in the 12 months before and after their CRs, and
  • had crash and power unit data that passed edit checks designed to screen out erroneous data.
Estimated percentage reduction in average crash rate due to CRs12.6%17.6%21.1%16.3%18.6%14.7%19.9%21.4%
Model Results (i.e., Benefits) Estimated for:CY 2002CY 2003CY 2004FY 2005FY 2006FY 2007FY 2008FY 2009
Crashes Prevented1,4262,2762,7202,3062,8602,1752,8862,430
Fatal Crashes5377927993688770
Injury Crashes6771,0381,1869821,1858791,157970
Towaway Crashes6961,1611,4421,2451,5821,2281,6421,390
Lives Saved6290107921097910181
Injuries Prevented1,0871,6511,8891,5611,8661,3991,8531,544
The model was implemented on a calendar year basis for the CRs conducted in 2002, 2003, and 2004. Beginning with the CRs conducted in 2005, the model has been implemented on a fiscal year basis.
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