NDLI: Analyzing Railway Capacity Using a Planning Tool

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Analyzing Railway Capacity Using a Planning Tool

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Anderson, P. Vieira Luciano, M. Christofoletti Vilela, Plínio R. S.
Copyright Year	2018
Abstract	1Railway transportation is a mean of conveying ore, goods or passengers on wheeled vehicles running on rails. The operation is costly and the transported goods have low aggregated value, therefore profitability is enabled under long distances and large quantities. Railways all around the world face rising demand for transportation of goods and people. While upgrading the railroad infrastructure is guaranteed to increase capacity, it usually takes large capital expenditures and is time consuming. In this paper we show how a circulation planning tool can aid railroads fully utilize their infrastructure in order to improve capacity utilization. Parameters such as train departing frequency, behavior during train delays, priorities on the negotiation of crossings and overtakes, performance allowance, and headway can be varied, and the resulting scenarios can be compared to help find a reasonable ceiling to the railroad capacity. The same tool can be used in an operational setting, to quickly respond to incidents and disruptions while keeping services at an acceptable level. There are many publications that propose methods to calculate railway capacity. While traffic simulation methods offer accurate results, user interaction and graphical presentation, they are often time-consuming, so analytical methods are usually preferred. Our simulation approach takes just seconds to run, resulting in a much more powerful tool to assess capacity limits. We run our simulations with data from a real heavy haul railroad, and use a number of metrics to show how their current operation could be improved with no need to build more tracks. Preliminary results indicate that, by changing train departing frequency alone, throughput could increase by more than 20%.
Sponsorship	Rail Transportation Division
File Format	PDF
ISBN	9780791850978
DOI	10.1115/JRC2018-6160
Conference Proceedings	2018 Joint Rail Conference
Language	English
Publisher Date	2018-04-18
Publisher Place	Pittsburgh, Pennsylvania, USA
Access Restriction	Subscribed
Subject Keyword	Trains Analytical methods Negotiation Ceilings Profitability Traffic Clearances (engineering) Transportation systems Vehicles Railroads Rails Simulation Rail transportation Delays
Content Type	Text
Resource Type	Article

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