Improving traffic safety culture in Iowa : phase II.

Albrecht, Chris; Li, Wanjun; Gkritza, Konstantina · 2013 · ROSA P / Iowa State University. Center for Transportation Research and Education

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Summary

This report details Phase II of a study sponsored by the Iowa Department of Transportation (DOT) to improve traffic safety culture in Iowa. Motivated by the persistent high rate of vehicle crash deaths and injuries in the state, the project aimed to synthesize expert opinions from Phase I with prevailing public views to develop actionable, fundable strategies. The research was conducted by the Center for Transportation Research and Education at Iowa State University in collaboration with the University of Northern Iowa and the University of Iowa. The methodology centered on a 2011 public opinion survey administered by the University of Northern Iowa’s Center for Social and Behavioral Research. Using a dual-sample methodology that included both landline and cell phone numbers, researchers conducted 1,088 completed interviews with Iowans. The survey questions were designed to align with 11 high-level safety goals identified in Phase I, covering areas such as emergency medical services (EMS), law enforcement, seat belt use, speeding, alcohol-related crashes, commercial vehicle safety, motorcycle safety, young and older driver safety, teenage licensing, and distracted driving. The study also compared these findings with national trends and previous survey data to identify shifts in public attitude. Key findings revealed strong public support for enforcement-based interventions. Approximately 39% of respondents identified enforcement as the most effective tool for improving safety, with 85% supporting high-visibility enforcement operations and nearly 90% supporting ignition interlock devices for repeat offenders. Public perception of specific threats varied: 92% viewed driving under the influence of alcohol as a very serious threat, while 66% viewed excessive speeding as a very serious threat. Support for automated enforcement was notable, with majorities favoring speed cameras on highways and city streets, and nearly 71% supporting red-light cameras. Conversely, satisfaction with current EMS response was high (90%), suggesting less immediate public demand for changes in that area. Regarding motorcycle safety, while 68% of the general public supported reinstating a helmet law, motorcyclists themselves strongly opposed such measures. Distracted driving was widely recognized as a threat, with 88% believing texting while driving is illegal and 72% viewing it as a very serious safety threat. The significance of this research lies in its provision of a data-driven basis for developing targeted traffic safety strategies. By contrasting expert recommendations with public opinion, the report identifies areas with high potential for successful implementation, such as speeding enforcement and alcohol-related crash reduction, where public support is robust. It also highlights areas requiring careful navigation, such as motorcycle safety, where public support conflicts with the preferences of the affected demographic. These findings enable the Iowa DOT to prioritize actions that are both effective and politically viable, ultimately aiming to reduce the state’s crash-related fatalities and injuries.

Key finding

Iowans strongly support high-visibility law enforcement operations (85.2%) and ignition interlock devices for repeat offenders (89.2%), while viewing excessive speeding (66.2%) and distracted driving (71.8%) as very serious threats to traffic safety.

Methodology

survey

Sample size: 1088

Provenance

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Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.

Topics

Ranked by relevance to this paper. Hover a topic for its definition.

• traffic safety culture
• public messaging
• seat belt use
• regulatory evaluation

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).

• Applied Guidance: policy recommendations, countermeasure evaluation
• Empirical Findings: observational prevalence