Wyoming's Comprehensive Report on Traffic Crashes 2006

NHTSA · 2007 · ROSA P / Wyoming. Department of Transportation

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Summary

This document presents the Wyoming Department of Transportation’s comprehensive statistical analysis of traffic crashes in Wyoming for the year 2006. The report serves as a detailed data compilation intended to provide statistical information for highway safety planning and public awareness. It aggregates crash data across multiple dimensions, including geographic location, crash severity, human factors, environmental conditions, and vehicle types. The methodology relies on official crash data collected by the Wyoming Highway Safety Program and the Crash Data Analysis Unit. The report categorizes incidents into fatal, injury, and property-damage-only crashes, analyzing them by county, month, day of week, and specific crash types. It further breaks down data by driver demographics (age, sex, license state), contributing human factors (such as alcohol impairment), safety equipment usage, and environmental variables like weather, road surface, and lighting conditions. Specialized sections analyze crashes involving specific vehicle classes, including trucks, school buses, and motorcycles, as well as a dedicated focus on drivers aged 14–20. In 2006, Wyoming recorded 16,968 total traffic crashes, resulting in 195 fatalities and 6,658 non-fatal injuries. Natrona County reported the highest volume of total crashes, while Sweetwater County had the most fatal crashes (26). Overturns were the most frequent type of fatal crash. December saw the highest number of total crashes, and Fridays were the most common day for incidents. Alcohol was involved in 58 fatal crashes, representing 34.3% of all fatalities. The report highlights that motor vehicle-to-motor vehicle collisions were the most common crash type overall. Regarding safety equipment, the reported usage rate was 88.4%. The data also indicates that rural areas accounted for 7,529 crashes compared to 9,439 in urban areas, with rural crashes comprising a significant portion of fatal incidents (145 rural vs. 24 urban fatal crashes). The significance of this report lies in its granular breakdown of crash causation and distribution, providing essential baseline data for traffic safety interventions. By identifying high-risk areas, such as Sweetwater County for fatalities, and high-risk behaviors, such as alcohol involvement and overturns, the data supports targeted safety strategies. The inclusion of longitudinal data from 1990–2006 allows for trend analysis, showing Wyoming’s fatality rate per 100 million vehicle miles traveled was 2.10 in 2006, higher than the U.S. average of 1.45. The detailed segmentation by vehicle type and driver age offers specific insights for addressing risks associated with young drivers and commercial vehicles.

Key finding

Wyoming recorded 16,968 traffic crashes in 2006, resulting in 195 fatalities and 6,658 non-fatal injuries, with 34.3% of fatal crashes involving alcohol.

Methodology

dataset

Provenance

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Topics

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• incidence prevalence
• demographic disparities
• vru crash typology
• fatality injury trends

Information type

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• Empirical Findings: crash risk outcomes