Centric: June-September 1977
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Summary
This document, titled "Centric: June-September 1977," serves as a quarterly report from the National Highway Traffic Safety Administration’s (NHTSA) National Center for Statistics and Analysis (NCSA). It details ongoing research initiatives, personnel changes, conference activities, and contract awards related to highway safety. A central focus of the report is the implementation of the National Accident Sampling System (NASS), a comprehensive data collection program designed to produce accurate national statistics on traffic accidents. The report also features a detailed analysis of automobile occupant restraints, contrasting active seat belts with emerging passive restraint systems, such as air bags and automatic seat belts. The NASS initiative aims to address the limitations of police-reported accident data, which often lacks the detail necessary for rigorous countermeasure evaluation. The system employs a probability sampling design, utilizing 35 to 60 small teams of accident investigators situated across the United States. These teams investigate a probability sample of accidents and continuously collect exposure data. The report outlines the selection of the first ten NASS sites in June 1976 and the subsequent awarding of contracts for a pilot test. Specific contracts were awarded to institutions such as the University of Michigan Highway Safety Research Institute, Indiana University, and various private firms to manage quality control, data sampling procedures, and zone centers in northern and southern regions. Additionally, contracts were issued for studies on motorcycle helmet safety, pedestrian injury causation, and the evaluation of Federal Motor Vehicle Safety Standards (FMVSS) regarding side impact strength and fuel system integrity. A significant portion of the report is dedicated to the "Feature of the Quarter," which examines automobile occupant restraints. It highlights that while seat belts are effective, their usage rate is low (approximately 20%), leading to thousands of preventable fatalities. The report advocates for passive restraint systems, which require no action from occupants. It describes two primary types: automatic seat belts, exemplified by the Volkswagen Rabbit, and air cushion systems. The document notes that air bags inflate in approximately 1/25th of a second and have undergone extensive testing, including over 450 million miles of driving experience. The Secretary of Transportation directed manufacturers to install automatic restraint systems in new cars beginning with the 1982 model year, with full implementation by 1984. The report argues that passive restraints are a significant advance in auto safety, supported by public opinion polls indicating growing acceptance. The significance of this report lies in its documentation of a pivotal shift in highway safety policy and research methodology. It marks the transition from reliance on passive police data to active, scientifically sampled accident investigation through NASS. Furthermore, it captures the regulatory momentum toward mandatory passive restraints, reflecting a strategic move to reduce fatalities by eliminating the dependency on user compliance. The report provides a snapshot of the technical, statistical, and legislative efforts underway in 1977 to improve vehicle safety standards and data accuracy, laying the groundwork for future safety regulations and research protocols.
Key finding
The report serves as an administrative and informational bulletin rather than a study with empirical results, detailing the operational status of the National Accident Sampling System and advocating for passive restraint systems based on existing safety data.
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 | 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.
Topics
Ranked by relevance to this paper. Hover a topic for its definition.
- incidence prevalence
- naturalistic crash near crash
- causation analyses
- in depth crash investigation
- induced exposure
- 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).
- Empirical Findings: crash risk outcomes, observational prevalence
- Methodological Resource: dataset resource