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Start time variability in work schedules is often hypothesized to be a cause of railroad employee fatigue because unpredictable work start times prevent employees from planning sleep and personal activities. This report examines work start time differences from three different databases previously...
Simpson Gumpertz & Heger Inc. conducted an investigation into the factors that caused widespread failure in prestressed concrete railroad ties on the Northeast Corridor. The problem was apparent in ties manufactured and installed circa 1994–1998. The work included a literature search, review of...