Indiana Crash Facts 1999

NHTSA · 1997 · ROSA P / Indiana. Governor's Council on Impaired & Dangerous Driving

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Summary

**Indiana Crash Facts 1999** is a statistical report produced by the Indiana Governor’s Council on Impaired & Dangerous Driving, summarizing highway crash data for the state in 1999. The report addresses the persistent challenge of highway safety in Indiana, motivated by a surge in fatalities and the need to evaluate progress against state-established benchmarks. It aims to provide data users with an efficient access to crash statistics, identifying trends, existing issues, and emerging safety concerns to inform policy and enforcement strategies. The analysis relies on data collected by the Indiana State Police, covering 217,340 total crashes, 892 fatal crashes, and 72,883 injuries. The report utilizes historical data from 1990–1999 to project trends through 2005 using exponential decay models. It compares Indiana’s performance against national averages and specific state goals, such as reducing fatality rates and increasing seat belt usage. The methodology includes analyzing contributing circumstances, driver demographics, alcohol involvement, and vehicle types, while acknowledging limitations such as low rates of Breath Alcohol Concentration (BAC) testing among killed drivers. Key findings indicate that 1999 was one of the worst years for fatalities in the past decade, with 1,021 deaths, equating to a fatality every 8.5 hours. The fatality rate remained stagnant at 1.4 per 100 million vehicle miles traveled (MVMT), failing to meet the state’s goal of reduction. Conversely, personal injuries decreased by 6.5% from 1998, marking the lowest count since 1991. Rural areas accounted for 74.5% of fatalities, showing no improvement over two decades, while urban fatalities declined. Alcohol was involved in 23.4% of fatal crashes, with only 43.9% of killed drivers tested for BAC. Seat belt usage among fatally injured drivers was low at 36.5%, with significant disparities between genders (28.8% for males vs. 54.5% for females) and vehicle types (34.8% for pickup trucks vs. 69.8% for passenger vehicles). Driver inattention and failure to yield were leading causes of crashes, and young drivers (16–20) were significantly over-represented in fatal crashes. The report concludes that Indiana’s highway safety efforts require significant adjustment, particularly regarding rural road safety, seat belt enforcement, and impaired driving. It highlights that the exclusion of pickup trucks from primary seat belt laws undermines safety commitments, as restraint use reduces injury risk by nearly 50%. The authors emphasize that despite vehicle safety improvements, driver error remains the primary cause of crashes. To achieve safety benchmarks, the report recommends including pickup trucks in primary seat belt laws, enhancing enforcement through visible zones, and improving BAC testing protocols. The findings underscore the urgent need for comprehensive strategies to address aggressive driving, rural crash patterns, and low restraint usage to reduce the high economic and human cost of highway crashes.

Key finding

Indiana recorded 1,021 fatalities in 892 crashes in 1999, with alcohol involved in 23.2 percent of fatal crashes and seat belt usage among killed drivers at only 36.5 percent.

Methodology

dataset

Provenance

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Topics

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

Information type

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• Empirical Findings: crash risk outcomes, observational prevalence