1955
DOI: 10.1287/opre.3.3.262
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An Analysis of a Railroad Classification Yard

Abstract: A freight car in the United States spends approximately two-thirds of its time stationary; a significant portion of this time in hump classification yards is spent in queues waiting to be inspected and classified into outbound trains. This paper describes the development of a model for these queues and the application of the Monte Carlo method to the analysis of these queues for a particular classification yard. An elementary form of feedback is included in the model. Using the model of yard operation, certain… Show more

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Cited by 18 publications
(15 citation statements)
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“…The first scientific papers related to the structures and capacities of marshaling yards were published by Crane et al. () and Petersen (,b). In these papers, yards were stated as queuing systems and analyzed using queuing relations and the Monte Carlo method.…”
Section: Literature Reviewmentioning
confidence: 99%
“…The first scientific papers related to the structures and capacities of marshaling yards were published by Crane et al. () and Petersen (,b). In these papers, yards were stated as queuing systems and analyzed using queuing relations and the Monte Carlo method.…”
Section: Literature Reviewmentioning
confidence: 99%
“…To address the lack of efficiency on the classification yard [Crane 1955] considered waiting time as the major factor contributing to low utilization of freight cars. He saw the total time spent by a car in a classification yard consists of two parts; the time elapsed from the arrival of the car at the yard until classification is completed, and the time from the completion of classification until the car leaves in an outgoing train.…”
Section: -Yard Managementmentioning
confidence: 99%
“…Early research into the use of queuing theory applied to the railroad system [Crane et al, 1955] application was conducted in 1955, and it presented the queuing processes identified in inspection and classification operation. Further research in queuing modeling [Mansfield and Wein, 1958] created a simple model to determine a suitable location for a classification yard.…”
Section: • Lean Manufacturing Applied To Rail Yard Managementmentioning
confidence: 99%
“…In hump yards, this work is performed by gravity: cars detached from an inbound train are pushed over the top of a hump and roll down to the appropriate track. Early work on yard modeling was realized by CRANE, BROWN, and BLANCHARD (1955) who presented an analysis of a particular hump yard and discussed the queuing processes identified in inspection and classification operations. A simple model for the location of a classification yard was then proposed by MANSFIELD and WEIN (1958).…”
Section: Analytical Yard Modelsmentioning
confidence: 99%