Utah Crash Summary, 1999

NHTSA · 1999 · ROSA P / Utah. Dept. of Public Safety

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Summary

The *1999 Utah Crash Summary* analyzes traffic safety trends and crash data in Utah to identify factors contributing to injuries and fatalities, aiming to guide public health and safety programs. Produced by the Utah Crash Outcome Data Evaluation System (CODES) using data from the Crash Analysis Reporting System (CARS) and the Fatality Analysis Reporting System (FARS), the report examines 52,802 reported crashes in 1999. The study highlights long-term trends from 1969 to 1999, noting that while total crash rates reached a 30-year low, fatalities remained a significant public health concern. The analysis categorizes crashes by severity, location, time, and participant demographics, with specific sections dedicated to pedestrians, bicyclists, motorcyclists, teenage drivers, alcohol and drug-impaired driving, speeding, and occupant protection. Data collection relied on law enforcement reports, excluding private property crashes after 1997. The report defines key metrics such as "speed-related" and "alcohol-related" crashes based on officer citations and contributing factors. It compares urban versus rural crash outcomes, analyzes collision types, and evaluates the effectiveness of safety interventions like seatbelt laws and graduated driver licensing. Key findings indicate that in 1999, there were 29,959 injured persons and 360 fatalities. While the overall crash rate decreased by 5% from 1998, alcohol and drug-related fatalities increased by 46.9%. Rural crashes were five times more likely to be fatal than urban ones. High-risk groups included pedestrians, bicyclists, and motorcyclists, who suffered injury or death in over 89% of their respective crashes, compared to 21.7% of all participants. Teenage drivers were involved in approximately one-third of all crashes, with vehicles containing four or more occupants being twice as likely to result in a fatality. Speeding was identified as the leading factor in crash fatalities, accounting for 92 deaths, while unbelted occupants were 14 times more likely to die than belted ones. Only 38.7% of fatalities were wearing seatbelts, and helmet use among motorcyclists was low at 29.6%. The report concludes that despite legislative successes in seatbelt use and driver licensing, motor vehicle crashes remain a leading cause of death and disability in Utah. It emphasizes the need for continued focus on speeding, impaired driving, and the protection of vulnerable road users. The data supports targeted educational and enforcement efforts, particularly regarding teenage driver passenger limits and rural emergency response times, to further reduce the burden of traffic-related injuries and fatalities.

Key finding

Unbelted occupants were 14 times more likely to sustain a fatal injury than belted occupants, and speeding was the leading factor associated with crash fatalities.

Methodology

dataset

Sample size: 52802

Provenance

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Topics

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

Information type

What kind of knowledge this paper contributes, grouped by family — independent of topic (what it is about) and method (how it was studied).

• Empirical Findings: crash risk outcomes, observational prevalence