Evaluation of Kentucky's "Buckle Up Kentucky : It's the Law & It's Enforced" campaign.
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Summary
This report evaluates the effectiveness of Kentucky’s 2003 “Buckle Up Kentucky: It’s the Law & It’s Enforced” campaign, a Selective Traffic Enforcement Program (STEP) designed to increase seat belt usage. The study was motivated by Kentucky’s relatively low seat belt usage rates, which had stagnated since the enactment of statewide legislation in 1994, and the state’s high traffic fatality rate compared to the national average. The campaign combined earned and paid media publicity with a two-week enforcement period surrounding Memorial Day 2003, aiming to increase belt usage by 10 percentage points from baseline levels. The evaluation methodology employed a multi-faceted approach to assess behavioral changes and campaign reach. Researchers conducted observational surveys of seat belt usage at 21 representative sites across the state during four phases: baseline, earned media, paid media, and enforcement. Additionally, the study utilized motorist surveys administered at county clerk offices and telephone surveys conducted by the University of Kentucky Survey Research Center to gauge public awareness, perceived enforcement likelihood, and self-reported behavior changes. The analysis also documented publicity expenditures and enforcement activities, including citations and checkpoints, while comparing fatal and injury crash statistics from the enforcement period against the previous five years. The results indicated that media publicity alone had minimal impact on seat belt usage, with rates remaining near the baseline of 61.6% during the earned (61.8%) and paid (62.3%) media phases. However, during the enforcement period, usage surged to 72.5%, achieving the campaign’s 10-point increase goal. Surveys revealed significant increases in public awareness of the campaign and enforcement efforts; 78% of drivers reported hearing of the campaign post-enforcement, and awareness of checkpoints rose from 33.9% to 58.0%. Enforcement activities yielded 8,325 seat belt citations and 599 child restraint citations, with saturated patrols accounting for the majority of stops. Consequently, injury crashes and total injuries during the enforcement period were lower than in any of the preceding five years, resulting in 289 fewer injuries and an estimated economic savings of $11.5 million. The authors conclude that while the combination of publicity and enforcement successfully increased seat belt usage, the effect was not sustained once the perception of enforcement likelihood diminished. They argue that publicity alone is insufficient to drive long-term behavioral change. To maintain high usage rates, the report recommends changing Kentucky’s seat belt law from secondary to primary enforcement, allowing officers to stop vehicles solely for belt violations. This legal change must be accompanied by continued public awareness campaigns to ensure drivers perceive the law as actively enforced.
Key finding
Seat belt usage increased from 61.6 percent to 72.5 percent during the enforcement phase, while media-only phases showed no substantial difference from baseline levels.
Methodology
mixed_methods
Sample size: 1544
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via bulk_ingest_rosap on 2026-05-23 (6 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| 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 | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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Information type
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- Applied Guidance: countermeasure evaluation, policy recommendations
- Empirical Findings: observational prevalence