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52550
  
  

  13
Jan
2017
Technical Reports
Weld Repair of Manganese Frogs for Enhanced Performance
Author
          Federal Railroad Administration

Subject
                    Best Practices,
                    Rail and Infrastructure Integrity,
                    Track

**Keywords:** Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
**Abstract:** When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
Report Number
              DOT/FRA/ORD-17/01

  Office
              RRD
    3
Apr
2014
Technical Reports
Start Time Variability and Predictability in Railroad Train and Engine Freight and Passenger Service Employees
Author
          Thomas G. Raslear

Subject
                    Human Factors,
                    Work Schedule & Sleep Patterns

**Keywords:** Work schedules, start time variability, fatigue, train and engine service, accident probability, FAST
**Abstract:** 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...
Report Number
              DOT/FRA/ORD-14/05

  Office
              RRD
    22
Feb
2013
Technical Reports
Fatigue Status of the U.S. Railroad Industry
Author
          Judith Gertler, Amanda DiFiore and Thomas Raslear

Subject
                    Fatigue Management,
                    Hours of Service,
                    Human Factors,
                    Sleep Disorders,
                    Work Schedule & Sleep Patterns

**Keywords:** Fatigue, work schedule, sleep pattern, sleep disorder, alertness, shiftwork, hours of service, split assignment, extra board
**Abstract:** This report draws on the results of several prior studies, all conducted with similar methodology, to characterize the prevalence of employee fatigue in the U.S. railroad industry...
Report Number
              DOT/FRA/ORD-13/06

  Office
              RRD
    1
Apr
2012
Technical Reports
Validation of FAST Model Sleep Estimates with Actigraph Measured Sleep in Locomotive Engineers
Author
          Judith Gertler, Steven Hursh, Joseph Fanzone, and Thomas Raslear

Subject
                    Fatigue Management,
                    Human Factors,
                    Work Schedule & Sleep Patterns

**Keywords:** sleep; actigraphy; locomotive engineer; FAST; Fatigue Avoidance Scheduling Tool
**Abstract:** This report presents the results of a study to validate the AutoSleep sleep prediction algorithm, which is a component of the Fatigue Avoidance Scheduling Tool (FAST). Researchers...
Report Number
              DOT/FRA/ORD-12/05

  Office
              RRD
    1
May
2011
Technical Reports
Analysis of the Relationship between Operator Effectiveness Measures and Economic Impacts of Rail Accidents
Author
          Steven R. Hursh,1 Joseph F. Fanzone,1 and Thomas G. Raslear2

Subject
                    Human Factors,
                    Work Schedule & Sleep Patterns

**Keywords:** fatigue, railroad accidents, railroad accident cost, economics, fatigue modeling, effectiveness, relative risk, SAFTE, FAST
**Abstract:** Data from 350 human factors (HFs)-related accident and 958 non-HFs-related U.S. rail accidents from January 1, 2003, through May 31, 2003, were analyzed for relationship between...
Report Number
              DOT/FRA/ORD-11/13

  Office
              RRD

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