Truck Driver Fatigue Management Survey Appendix

NHTSA · 2006 · ROSA P / United States. Federal Motor Carrier Safety Administration

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Summary

The provided text is not a research paper, report, or study containing findings, methods, or conclusions. It is an expired data collection instrument: the "Truck Driver Fatigue Management Survey" administered by the United States Federal Motor Carrier Safety Administration (FMCSA) in 2006. The document serves as a reference for the survey questions used to gather self-reported data from truck drivers regarding their fatigue management practices, work schedules, and health behaviors. The survey instrument was designed to collect comprehensive demographic and operational data, including driver age, sex, ethnicity, marital status, physical measurements, and years of driving experience. It detailed operational specifics such as vehicle type (semi, double, triple), driving operation mode (single vs. team), and work schedule variability. The instrument sought to quantify sleep patterns by asking respondents to map their work and rest periods over a typical two-day cycle, report hours of sleep during work and non-work periods, and identify sleep locations (e.g., sleeper berth, day cab, truck stop). It also assessed sleep quality through questions on awakenings, restfulness of daytime sleep, and the Epworth Sleepiness Scale to measure the likelihood of dozing in various situations. Furthermore, the survey investigated factors contributing to fatigue, including driving hours, non-driving work tasks, environmental conditions (temperature, noise, vibration), and physiological factors (diet, exercise, medication use). It cataloged specific fatigue management strategies employed by drivers, such as napping, caffeine consumption, stretching, and the use of stay-awake drugs. The instrument also screened for sleep disorders like sleep apnea and insomnia, and recorded the frequency of fatigue-related incidents, such as heavy eyelids, nodding off, near misses, and collisions. Finally, it assessed barriers to effective fatigue management, asking drivers what actions they wished they could take but could not, such as having more control over schedules or access to fatigue monitoring technology. The document explicitly states that the survey expired on March 31, 2007, and is no longer active. It contains no results, analysis, or conclusions from the data collected. Therefore, there are no findings to summarize regarding the prevalence of fatigue, the efficacy of management strategies, or the impact of specific variables on driver safety. The text is solely a methodological tool used for data collection in a completed study.

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discover success rosap 2 2026-05-23
archive success 1 2026-05-23
extract success cached 94 2026-07-02
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-nvidia summ-v5 171 2026-07-02
tag success vector_similarity 16 2026-06-11
verify success 1 2026-07-03

Summary generated by qwen3.6-27b-nvidia on 2026-07-02; verification: verified.

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