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FHWA Home / Safety / Crash Data Improvement Program

Crash Data Improvement Program Guide

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Safe Roads for a Safer Future - Investment in roadway safety save lives

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April 2010

US Department of Transportation, Federal Highway Administation

FHWA Program Manager
Robert Pollack
Performing Organization
KLS Engineering (L. Boodlal and J. Emery) And Iowa State University (R. Souleyrette)
Notice

The Federal Highway Administration (FHWA) provides high-quality information to serve Government, industry, and the public in a manner that promotes public understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement.

The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturers' names appear in this report only because they are considered essential to the objective of the document.

Table of Contents

1.0 Introduction 2.0 Timeliness 3.0 Accuracy 4.0 Completeness 5.0 Consistency 6.0 Integration 7.0 Accessibility 8.0 Summary and Conclusion

List of Tables

Table 1: Sample Data Elements of a Crash Database
Table 2: Example of Performance-Based Measures for the Crash Database
Table 3: Summary of Examples for Timeliness
Table 4: Summary of Examples for Accuracy
Table 5: Summary of Examples for Completeness
Table 6: Summary of Examples for Consistency
Table 7: Summary of Examples of Integration
Table 8: Kentucky Calendar Year Totals
Table 9: Summary of Examples for Accessibility

List of Figures

Figure 1: The Traffic Records System
Figure 2: Sample Output of Average Reporting Days by Agency and Statewide
Figure 3: Comparison of Annual Average Reporting Days
Figure 4: Sample Output of the Expected Frequency of Reporting Metric
Figure 5: Data Performance Report Identifying Crash Report Data Edit Errors with Month-To-Month Comparison of 2006 to 2005
Figure 6: Sample Output of the Metric: Average Number of Errors per Crash Report by Reporting Agency for 2006, Year-to-Date
Figure 7: Sample Portion of an Error Code Table that Identifies Error Types the State is Monitoring
Figure 8: Error Types for MSP Wayland
Figure 9: Developing Ratios of Fatal, Injury and PDO Crashes to Assess
Figure 10: Sample Output of the Status of Crash Locating Metric
Figure 11: Sample Output of the Monthly Progress Report Metric
Figure 12: Iowa CODES Process
Figure 13: Kentucky State Police Web Site
Figure 14: MSP Traffic Crash Reporting Web Site

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Page last modified on October 15, 2014.
Safe Roads for a Safer Future - Investment in roadway safety saves lives
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000