Manual for a Selective Traffic Enforcement Program for Alcohol-Related Motor Vehicle Crashes
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Summary
This 1972 manual, published by the National Highway Traffic Safety Administration (NHTSA), addresses the critical problem of alcohol-related motor vehicle crashes, which research indicates involve alcohol in over 50% of fatal incidents. The document serves as a comprehensive guide for state and local traffic law enforcement administrators to design, implement, and refine selective traffic enforcement programs aimed at reducing the frequency and severity of these crashes. It frames the issue as a manageable law enforcement challenge requiring a systems approach that integrates detection, apprehension, processing, and adjudication to maximize efficiency and minimize costs. The manual outlines a structured methodology for program development, beginning with the identification of the problem’s magnitude, characteristics, and trends through detailed crash reporting. It advocates for "Management by Objectives," urging administrators to set specific goals, such as reducing crash numbers or average Blood Alcohol Concentration (BAC) levels. Central to the approach is a six-stage model of the police enforcement process for Driving While Under the Influence (DWI): detection, apprehension, transporting, testing and recording, incarceration, and testifying. The text provides detailed operational and legal requirements for each stage, emphasizing the need for standardized procedures, proper equipment (testing and recording devices), and specialized personnel training. It also recommends strategic resource allocation, such as assigning officers to patrol areas and shifts based on historical crash data to maximize detection during high-risk periods. Key findings and recommendations include the establishment of an "Alcohol Enforcement Index" to measure program effectiveness by comparing DWI convictions or arrests against the number of alcohol-related crashes. The manual stresses that arrest is a means to an end—removing drinking drivers from the road to prevent crashes—and suggests evaluating individual officer performance based on crash reduction in their assigned areas. It further identifies specific legislative and administrative reforms needed to enhance enforcement, such as establishing per se BAC limits (e.g., .10%), authorizing pre-arrest breath testing, permitting roadside checkpoints, and requiring chemical tests for crash-involved drivers. The significance of this manual lies in its systematic, data-driven approach to traffic safety, shifting enforcement from reactive measures to proactive, targeted strategies. By providing a framework for integrating legal, administrative, and operational components, it aims to help law enforcement agencies achieve a "tolerable level" of alcohol-related crashes. The document underscores the importance of interagency cooperation, precise reporting systems, and continuous evaluation to ensure that enforcement efforts yield measurable reductions in fatalities and injuries, thereby fulfilling the core mission of protecting life and property.
Key finding
The manual provides a conceptual framework and operational guidelines for law enforcement agencies to reduce alcohol-related crashes through selective enforcement, but does not present empirical results from a specific study.
Methodology
other
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 | skipped | — | — | — | 3 | 2026-07-02 |
| 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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- Applied Guidance: countermeasure evaluation, policy recommendations