Understanding driver performance variability and perception of risk : driver hazard perception research plan
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Abstract
The objectives of this research project were to develop a comprehensive and clearly defined research program to define, measure, and quantify driver perception of hazards as it relates to highway design, operations, and safety, standards This was accomplished through a systematic research and development effort that defined six research projects. The Driver Hazard Perception Research Program broadly addresses how drivers perceive, interpret, and react to potential hazards on the road, and how this influences risk related vehicle control decisions about time, speed, and space. The results will provide input to human factors safety handbooks, such as the Human Factors Highway Safety Handbook for use by highway designers, and human performance driving models, such as the Driver Performance-Based Highway Design Module (DPB/HDM) that incorporates human factors data and driver behavior models. The sequence of projects provides: (1) a broad, empirical based understanding of the role of driver roadway hazard perception leading to driver action; (2) understanding of the safety consequences of these perceptions and actions: (3) Identification of causal factors influencing driver hazard perception; and (4) proposed countermeasures to improve driver hazard perception for benefits in safety and traffic operations.
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 | skipped | pdf_extracted | — | — | 9 | 2026-07-02 |
| 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 | skipped | llm | qwen3.6-27b-prismaquant | — | 6 | 2026-06-01 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
Topics
Ranked by relevance to this paper. Hover a topic for its definition.
- hazard perception
- perceptual countermeasures
- risk taking
- crash reconstruction hf
- mental model of traffic
- situational awareness
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: behavioral performance data, crash risk outcomes
- Theoretical Contribution: theory or model