Paper

Validation and Calibration of a Fatigue Assessment Tool for Railroad Work Schedules, Final Report (DOT/FRA/ORD-08/04)

Venue listed2008Added Nov 9, 2026

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Authors: Steven R. Hursh, Thomas G. Raslear, A. Scott Kaye, Joseph F. Fanzone Jr.

US DOT Federal Railroad Administration report DOT/FRA/ORD-08/04 (2008)

TL;DR

Retrospective accident-risk validation of SAFTE/FAST on freight rail: 30-day work histories of locomotive crews before 400 human-factors and 1,000 non-human-factors accidents. Effectiveness correlated with human-factors accident risk (r = −0.93) but not with non-human-factors accidents. Risk was elevated at any effectiveness below 90 and rose progressively; at effectiveness ≤ 50 human-factors accidents were 65% more likely than chance; risk increased reliably below 70 (authors equate ≈ 0.08 BAC or 21 h awake after 8 h sleep).

  • Form factor: software (sleep/schedule input; wrist actigraphy optional)

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Tasks & signals

Tasks

Stress

Keywords

FatigueBiomathematical Fatigue ModelSAFTEFASTAccident RiskRailFRMS

How it works

How Method works: Setup → Method → TargetSetup: Signals (work schedules); Form factor (software (sleep/schedule input; wrist actigraphy optional)). Method: Method. Target: Stress.SetupSignals: work schedulesSignalswork schedulesForm factor: software (sleep/schedule input; wrist actigraphy optional)Form factorsoftware (sleep/schedule input; wrist…MethodMethodTargetStressStress

Cite this paper

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Hursh, S. R., Raslear, T. G., Kaye, A. S., & Jr., J. F. F. (2008). Validation and Calibration of a Fatigue Assessment Tool for Railroad Work Schedules, Final Report (DOT/FRA/ORD-08/04). US DOT Federal Railroad Administration report DOT/FRA/ORD-08/04. https://railroads.dot.gov/elibrary/validation-and-calibration-fatigue-assessment-tool-railroad-work-schedules-final-report
Hursh, Steven R., Thomas G. Raslear, A. Scott Kaye, and Joseph F. Fanzone Jr. 2008. "Validation and Calibration of a Fatigue Assessment Tool for Railroad Work Schedules, Final Report (DOT/FRA/ORD-08/04)." US DOT Federal Railroad Administration report DOT/FRA/ORD-08/04. https://railroads.dot.gov/elibrary/validation-and-calibration-fatigue-assessment-tool-railroad-work-schedules-final-report.
Hursh, S. R., Raslear, T. G., Kaye, A. S. and Jr., J. F. F. (2008) 'Validation and Calibration of a Fatigue Assessment Tool for Railroad Work Schedules, Final Report (DOT/FRA/ORD-08/04)', US DOT Federal Railroad Administration report DOT/FRA/ORD-08/04. Available at: https://railroads.dot.gov/elibrary/validation-and-calibration-fatigue-assessment-tool-railroad-work-schedules-final-report
Hursh, Steven R., et al. "Validation and Calibration of a Fatigue Assessment Tool for Railroad Work Schedules, Final Report (DOT/FRA/ORD-08/04)." US DOT Federal Railroad Administration report DOT/FRA/ORD-08/04, 2008. https://railroads.dot.gov/elibrary/validation-and-calibration-fatigue-assessment-tool-railroad-work-schedules-final-report.
S. R. Hursh, T. G. Raslear, A. S. Kaye, and J. F. F. Jr., "Validation and Calibration of a Fatigue Assessment Tool for Railroad Work Schedules, Final Report (DOT/FRA/ORD-08/04)," US DOT Federal Railroad Administration report DOT/FRA/ORD-08/04, 2008, [Online]. Available: https://railroads.dot.gov/elibrary/validation-and-calibration-fatigue-assessment-tool-railroad-work-schedules-final-report.
@article{hursh2008validation,
  title         = {{Validation and Calibration of a Fatigue Assessment Tool for Railroad Work Schedules, Final Report (DOT/FRA/ORD-08/04)}},
  author        = {Hursh, Steven R. and Raslear, Thomas G. and Kaye, A. Scott and Jr., Joseph F. Fanzone},
  year          = {2008},
  journal       = {US DOT Federal Railroad Administration report DOT/FRA/ORD-08/04},
  url           = {https://railroads.dot.gov/elibrary/validation-and-calibration-fatigue-assessment-tool-railroad-work-schedules-final-report}
}

Source metadata: 2008

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