North Dakota Statewide Traffic Safety Survey, 2024: Traffic Safety Performance Measures for State and Federal Agencies
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Summary
This report presents the findings of the 2024 North Dakota Statewide Traffic Safety Survey, conducted by the Upper Great Plains Transportation Institute for the North Dakota Department of Transportation. The study addresses the need for reliable performance measures to monitor driver attitudes, awareness, and behaviors, aligning with federal guidelines established by the Governor’s Highway Safety Association and the National Highway Traffic Safety Administration. The research aims to quantify trends in high-risk behaviors—specifically impaired driving, seat belt use, and speeding—to support state safety strategies and resource allocation. The methodology involved a mail survey distributed to a disproportionate stratified random sample of 11,520 licensed drivers in North Dakota. The sampling design oversampled drivers aged 18–34 and stratified participants by region (east/west) and geography (urban/rural) to ensure robust analysis of these subgroups. Post-stratification weighting was applied to adjust for demographic differences between the sample and the general driver population. Of the 1,163 returned surveys, 1,146 were deemed valid, yielding a 9.9% response rate, which was the lowest in the survey’s 15-year history. The questionnaire included core questions on impaired driving, seat belts, and speeding, alongside additional items on distracted driving and legislative preferences. Key findings indicate that 65.2% of drivers perceive a high likelihood of arrest for driving under the influence, compared to 46.1% for speeding and 38.5% for seat belt violations. Self-reported seat belt use reached a record high, with 85.8% of respondents stating they always wear seat belts, up from 82.6% in 2023. Regarding impaired driving, 40.0% of drivers reported operating a vehicle within two hours of consuming one or two alcoholic beverages in the past 60 days, a decrease from 42.9% in 2023. Only 6.1% reported driving after consuming three or more drinks. Statistical analysis revealed that drivers who admitted to driving after drinking were significantly less likely to believe they would be ticketed for speeding or not wearing a seat belt, suggesting a correlation between engaging in one risky behavior and the likelihood of engaging in others. The study concludes that while seat belt usage and perceptions of DUI enforcement are strong, the persistence of driving after light alcohol consumption and the low perceived risk of ticketing for speeding and seat belt violations remain areas of concern. The data provides a quantitative baseline for evaluating the effectiveness of behavioral safety programs and informs future enforcement and education priorities in North Dakota. The report highlights the importance of continued monitoring, particularly given the slight uptick in self-reported driving after drinking observed in recent years.
Key finding
In the 2024 survey, 85.8% of North Dakota drivers reported always using seat belts, and 40.0% reported driving within two hours of consuming one or two alcoholic beverages in the past 60 days.
Methodology
survey
Sample size: 1146
Provenance
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
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| extract | success | cached | — | — | 2 | 2026-06-10 |
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| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | partial | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified_with_issues.
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Information type
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- Empirical Findings: observational prevalence, crash risk outcomes
- Methodological Resource: dataset resource