More Cops More Stops: Evaluation of a Combined HVE Program in Oklahoma and Tennessee [Traffic Tech]
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Summary
This paper evaluates the "More Cops More Stops" (MCMS) program, a high-visibility enforcement (HVE) initiative designed to address alcohol-impaired driving, seat belt non-use, and speeding through a combined messaging and enforcement strategy. The study was motivated by prior research suggesting that combined enforcement approaches might be taxing for law enforcement and that combined messages could dilute the salience of specific safety issues. The primary objective was to determine if MCMS provided added benefits over single-issue campaigns, specifically "Click It or Ticket" (CIOT) for seat belts and "Drive Sober or Get Pulled Over" (DSOGPO) for impaired driving. The evaluation employed a controlled pre-post design in Oklahoma and Tennessee over a two-year period. Law enforcement agencies conducted four waves of MCMS enforcement alongside two waves each of CIOT and DSOGPO. By design, both program and control areas were exposed to the single-issue campaigns, but only program areas received the combined MCMS intervention. This structure allowed researchers to isolate the specific effects of the combined program. Data collection included awareness surveys, observed seat belt use counts during day and night, and breath alcohol concentration (BrAC) surveys in Tennessee. The results indicated that while media and enforcement efforts for MCMS were strong, the program failed to significantly increase awareness of enforcement activities or the perceived risk of arrest compared to control areas. Awareness of the MCMS slogan increased, but indices regarding specific enforcement types were inconsistent. Crucially, observed seat belt use increased in both program and control areas, with gains generally larger in control areas. For instance, daytime seat belt use in Oklahoma increased by 9.1% in the control area versus 2.4% in the program area. This suggests MCMS did not enhance seat belt compliance beyond the effects of existing statewide campaigns. In Tennessee, BrAC surveys showed a downward trend in positive readings in the program area, but the lack of a control area prevented attribution of this change to MCMS. The study concludes that there is little evidence to support the continued use of MCMS to enhance single-issue programs. The findings support the theory that combined messaging dilutes individual message components and fails to clearly communicate specific enforcement actions. Furthermore, the program was found to be taxing on law enforcement, contributing to enforcement fatigue due to the complexity of simultaneous multi-issue enforcement. The authors recommend against the combined concept, noting its limitations in communication effectiveness and operational feasibility.
Key finding
Adding the combined MCMS message produced no seat belt use gain beyond the single-issue campaigns, as observed belt-use increases were generally larger in control areas than in MCMS program areas.
Methodology
field_study
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 (8 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 | partial | — | — | — | 4 | 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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- Applied Guidance: countermeasure evaluation, policy recommendations
- Empirical Findings: observational prevalence