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The Data Quality module identifies FMCSA resources for evaluating, monitoring, and improving the quality of data submitted by States to the Motor Carrier Management Information System (MCMIS).
  • FMCSA field staff and State Partners are invited to participate in a webinar showcasing new SAFETYNET Data Quality Reports. Look for an email to register or contact Mary-Gretchen Johnson (
  • Review these Job AidsPopup arrow that help States improve crash and inspection data before it is uploaded to MCMIS.
  • Review data quality presentationsPopup arrow from the 2014 Commercial Vehicle Safety Alliance, Information System Users Subcommittee Workshop.
    The two-day training reinforced the role of State Partners in advancing and maintaining data quality to improve safety. The session covered the following topics:
    • The challenges FMCSA and State Partners face to continuously improve data quality
    • Crash reporting criteria
    • FMCSA's online resources that are available to States to monitor and improve data quality
    • State reporting process improvements that improve data quality
    • DataQs enhancements and procedures
State Safety Data Quality map as of 9/26/2014
Evaluation Evaluation
State Safety Data Quality (SSDQ)
States are rated on a monthly basis on the completeness, timeliness, accuracy, and consistency of State-reported crash and roadside inspection data in MCMIS.

Monitoring Monitoring
Supplemental Reports
State and Federal agencies can monitor their MCMIS and DataQs activity for State-reported crash and roadside inspection data provided to the FMCSA.

Improvement Improvement Tools
State Data Analysis Reports
State Data Analysis Reports that support the State Safety Data Quality (SSDQ) evaluation and the individual measures.


A tool designed to help reconcile differences between the number of fatal crash records in the FARS and MCMIS databases.

Police Accident Reporting
State agencies are provided training materials on the collection of crash data required to be uploaded to the FMCSA.

Related Data Quality Links
Users can access presentations, websites, and information related to improving data quality.
June 30, 2014
  • New Job AidsPopup arrow for improving State crash and inspection data.

June 10, 2014
April 11, 2014
  • New The Crash Accuracy SDAR report, Non-Matched Records, presents the list of crash records identified as a non-match in MCMIS.
  • New The Inspection Accuracy SDAR report, Non-Matched Records, presents the list of inspection records identified as a non-match in MCMIS.
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