Development of Secondary Highway Accident Countermeasures through Induced Exposure Analysis with Census Information (Phase 2 of Accidents of Secondary Highways and Counter-measures)
archive: archived pipeline: cataloged verified
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Summary
This study investigates factors influencing crash occurrence on low-volume secondary highways in Kentucky to identify at-risk driver groups and propose safety countermeasures. Researchers analyzed 56,638 crashes from 1993 to 1995, linking crash data with socioeconomic variables from the 1990 Census using driver zip codes and applying the quasi-induced exposure method. The analysis revealed that younger drivers and older drivers (over 65) are distinct at-risk groups, with younger drivers showing higher propensity for single-vehicle crashes in areas with higher income and education levels. Older drivers were found to be more involved in multi-vehicle crashes, particularly in urban settings. The study concludes that countermeasures should include graduated licensing and parental supervision for youth, mandatory re-testing and improved road signage for the elderly, and rural land-use planning to mitigate fatigue-related risks.
Key finding
Younger drivers exhibit a higher propensity for single-vehicle crashes in areas with higher socioeconomic status, while older drivers are more prone to multi-vehicle crashes, necessitating targeted countermeasures such as graduated licensing for youth and mandatory re-testing for the elderly.
Methodology
dataset
Sample size: 56638
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 (7 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | skipped | empty | — | — | 4 | 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 | — | 3 | 2026-06-01 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | success | — | — | — | 1 | 2026-06-03 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-01; verification: verified.
Topics
Ranked by relevance to this paper. Hover a topic for its definition.
- demographic disparities
- sex gender
- induced exposure
- incidence prevalence
- urban rural setting
- novice drivers
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