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OTREC-RR-13-09 By Steve Callas, James Strathman, Sung-Moon Kwon
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This paper presents the results of a survey of TriMet bus operators addressing safety risks in their assigned work. Surveyed risk factors were organized into five categories: vehicle design and... More > condition; route layout; operating conditions; fatigue; and stress. Operators perceived fatigue and stress to be the greatest sources of safety risk, with split shifts, schedule pressures, passenger distractions, and negligence of other roadway users being the primary contributors to these conditions. Operators were also surveyed on the frequency and nature of “close calls,” with two-thirds of the operators indicating that such incidents occurred at least weekly and most often involved being cut off by other roadway users. Operators endorsed high visibility enforcement initiatives to improve safety, focusing primarily on negligent behavior. Other operator recommended changes addressed scheduling practices and the need for more public information and outreach on safety risks.< Less
OTREC-RR-11-14 By James Strathman
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This paper examines extraboard operations and management at TriMet, the transit provider for the Portland Oregon metropolitan area. The extraboard consists of a pool of operators who fill open work... More > resulting from absences and other causes. The paper first examines the general performance of the extraboard in filling open work, drawing on seven years of daily operations data from three bus garages. It then presents statistical analyses focusing on open work patterns and the effects of selected work rules on operator utilization and service delivery. Lastly, suggestions are made for improving the efficiency of extraboard operations.< Less
OTREC-RR-11-14 By Steve Callas, James Strathman, Sung Moon Kwon
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This paper examines extraboard operations and management at TriMet, the transit provider for the Portland Oregon metropolitan area. The extraboard consists of a pool of operators who fill open work... More > resulting from absences and other causes. The paper first examines the general performance of the extraboard in filling open work, drawing on seven years of daily operations data from three bus garages. It then presents statistical analyses focusing on open work patterns and the effects of selected work rules on operator utilization and service delivery. Lastly, suggestions are made for improving the efficiency of extraboard operations.< Less
OTREC-RR-09-11 By James G. Strathman, Joseph Broach, Steve Callas
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