The Model Minimum Uniform Crash Criteria Guideline (MMUCC) is a minimum, standardized data set for describing motor vehicle crashes and the vehicles, persons and environment involved. The Guideline is designed to generate the information necessary to improve highway safety within each state and nationally. This data set, originally published in the MMUCC Guideline, 1st Edition (1998), has been revised three times, most recently in the 4th Edition (2012), in response to emerging highway safety issues.
The 110 data elements presented in this document include 77 data elements to be collected at the scene, 10 data elements to be derived from the collected data, and 23 data elements to be obtained after linkage to driver history, injury and roadway inventory data. Definitions for the data elements match existing standards, unless modification was necessary to match current trends.
MMUCC was originally developed in response to requests by States interested in improving and standardizing their State crash data. Lack of uniform reporting made the sharing and comparison of State crash data difficult. Different elements and definitions resulted in incomplete data and misleading results.
MMUCC recommends voluntary implementation of a “minimum set” of standardized data elements to promote comparability of data within the highway safety community. It serves as a foundation for State crash data systems.
Efforts to standardize crash data have increased since MMUCC was originally recommended as avoluntary guideline in 1998. More and more States included MMUCC in their data review process as they sought to revise their crash report forms. The American National Standards Institute (ANSI) Standard D16.1-2007 Manual on Classification of Motor Vehicle Traffic Accidents, Seventh Edition, and the ANSI Standard D20.1, Data Element Dictionary for Traffic Records Systems were both used to develop and update MMUCC.
Check out the Model Minimum Uniform Crash Criteria website.
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