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Keywords: Ballast behavior, discrete element modeling, DEM, Discrete Element Method, triaxial test, fouling, dynamic train loading, ballast degradation and image analysis
Abstract: An innovative integrated computational-experimental laboratory testing framework has been developed at the University of Illinois at Urbana-Champaign to evaluate clean and fouled...
Policy and Guidance
Second Interim Statement of Agency Policy and Interpretation on the Hours of Service Laws as Amended in 2008
Keywords: Hours of Service, Interim Interpretations, Signal Employee Exclusivity, Consecutive Days Provision, Commingled Service
Abstract: Hours of Service; Operating Practices; Signal and Train Control
Criteria and procedures for validating biomathematical models of human performance and fatigue: Procedures for analysis of work schedules
Keywords: human factors; fatigue; work schedules; performance; biomathematical
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...
Keywords: fatigue; sleep; accidents; work schedules; railroads