2006 Michigan Traffic Crash Facts

NHTSA · 2007 · ROSA P / Michigan. Office of Highway Safety Planning

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Summary

This document presents a comprehensive statistical analysis of traffic crashes in Michigan for the calendar year 2006, produced by the Michigan Department of State Police and the University of Michigan Transportation Research Institute. The report addresses the need for accurate, timely data to support highway safety planning and injury reduction efforts. It highlights a significant milestone: Michigan’s 2006 mileage death rate of 1.04 deaths per 100 million vehicle miles traveled was the lowest recorded in the state’s history, continuing a downward trend since 1999. This improvement occurred despite increases in exposure factors, including a 0.9 percent rise in vehicle miles traveled and a 0.3 percent increase in licensed drivers. The data was compiled from Michigan Traffic Crash Report Forms (UD-10) submitted by local police, sheriff’s offices, and the State Police, processed through the Criminal Justice Information Center. The report utilizes a modernized computer infrastructure system implemented in 2002 to improve data quality, timeliness, and accuracy. The analysis covers statewide trends, demographic breakdowns, and specific crash circumstances, including alcohol involvement, vehicle types, and roadway conditions. Key findings indicate that total reported crashes decreased by 10.1 percent to 315,322, with fatalities dropping 4.0 percent to 1,084 and injuries falling 9.5 percent to 81,942. Alcohol remained a critical factor in severe crashes; while only 4.0 percent of all crashes involved drinking, 34.8 percent of fatal crashes did. Among fatal crashes, 25.7 percent occurred at intersections, and 52.1 percent were single-vehicle incidents. Excessive speed was cited as the hazardous action in 19.8 percent of fatal crashes. The report also notes a decline in motorcycle crashes, fatalities, and injuries, contrary to national trends. Demographic data revealed that 11.9 percent of drivers involved in fatal crashes were under 21, and 21.9 percent were under 25. The significance of this report lies in its provision of detailed, high-quality data to inform public safety policies and research. By documenting the lowest death rate in Michigan’s history alongside detailed breakdowns of risk factors such as alcohol use, age, and crash types, the document supports targeted interventions. The continued improvement in data collection systems ensures that these statistics are reliable for longitudinal analysis, aiding the Office of Highway Safety Planning in its mission to reduce deaths and injuries on Michigan roadways.

Key finding

Michigan recorded a historic low mileage death rate of 1.04 per 100 million miles of travel in 2006, with 1,084 fatalities and 34.8 percent of fatal crashes involving alcohol.

Methodology

dataset

Provenance

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Topics

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• incidence prevalence
• fatality injury trends
• demographic disparities
• comparative international
• sex gender

Information type

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• Empirical Findings: crash risk outcomes, observational prevalence