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Safety Trends in Iowa: Analyzing Fatality Rates and Crash Data (2016)

This presentation, delivered by Sandra Q. Larson, P.E., at the AASHTO SCOHTS Meeting on April 26, 2016, examines Iowa's fatality rates and crash statistics. The analysis includes a year-over-year comparison of Iowa's crash rate to the national average, emphasizing trends in motorcycle fatalities and the impact of impaired driving. The report highlights the significance of rumble strips and paved shoulders in improving safety. Additionally, Larson discusses the effects of a mild winter and the implications for law enforcement's response to changing crash patterns.

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Safety Trends in Iowa: Analyzing Fatality Rates and Crash Data (2016)

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Presentation Transcript

  1. Safety Trends in Iowa 2016 AASHTO SCOHTS Meeting April 26, 2016 • Sandra Q. Larson, P.E.

  2. Iowa Fatality Rate Data Number of Fatalities in Iowa Year

  3. Crash Rate Comparison: Iowa to US Crash Rate Per 100 Million Miles Traveled Year

  4. Great Trend rumble strips/paved shoulders Recent increase still undefined Iowa is testing more fatals for impaired than in the past 15% of our fatalities are motorcycles Motorcycles less than 1% of VMT Iowa is 1 of 2 states w/ no helmet law Mild Winter Change in crash form – easier to note for enforcement

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