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The Impact of Commute Times on the Fatigue and Safety of Locomotive Engineers and Conductors

By Naomi J. Dunn and Susan Soccolich - US Department of Transportation, Fereal Railroad Administration, June 2023

The survey showed that not only did locomotive engineers and conductors frequently experience fatigue, but it also indicated fatigue affected their operation of a locomotive train. Self-identified highly fatigued locomotive engineers and conductors were:

  • Twice as likely to experience any type of fatigue-related safety event while operating a locomotive compared to those who were not highly fatigued
  • Four times more likely to have missed a required stop compared to conductors not feeling highly fatigued
  • 3.4 times more likely to have had a near miss while operating a locomotive than locomotive engineers who reported not feeling highly fatigued

Just under 40 percent of participating locomotive engineers and conductors fit the classification of being highly fatigued; over 60 percent of locomotive engineers and conductors were classified as not being highly fatigued.

Fatigue also increased the odds of locomotive engineers and conductors being involved in fatigue-related driving events during their commute to and from work. The risk was higher for those who reported having long commute times (i.e., over one hour). The major contributors to fatigue were related to scheduling, or lack thereof in the case of irregular work. Variability in start times and frequent switching from day to night work were associated with increased risk of fatigue for locomotive engineers and conductors. Shiftwork, long-duration tasks, and disturbances in the sleep-wake cycle are well-documented contributors to fatigue and key risk factors identified in this survey for safety incidents both in the workplace and on the roads.

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