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The Use of Railway Simulation as an Input to Economic Assessment
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Transport planning, economics and engineering. (Tågtrafikgruppen)ORCID iD: 0000-0002-2447-2438
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Transport planning, economics and engineering. Mälardalens Högskola. (Tågtrafikgruppen)ORCID iD: 0000-0003-1597-6738
2015 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Capacity is an important factor for assessing a railway. Capacity limitations restrict the possibilities to adjust the service supply to the market demand and can lead to disturban­ces that affect the travellers negatively. For this reason, it is important that the available capacity and the effects of using it are estimated and assessed when benefits are analysed. However, estimations often focus on either socio-economic or capacity aspects only.

In this paper, a method for evaluating timetable alternatives using time equivalents by combining economic assessment and capacity analysis is developed. Parameters describing each alternative´s characteristics and their effect are stepwise added to an existing model. Both real and simulated delay statistics for express trains on a double-track line with dense, mixed traffic are used to first determine relevant input parameters and calibrate the model, and later compare different alternatives. The results show that the choice of input parameters for the delays and the way how to include them in the model affected the result to a large extent. That highlights the importance of making adequate classifications of data and choosing the right parameters. Simulation is suitable for estimating the effect of changes on reliability which is an important input in an estimation model combining capacity and socio-economic aspects.

Place, publisher, year, edition, pages
2015.
Keyword [en]
Capacity evaluation, railway simulation, economic assessment
National Category
Transport Systems and Logistics
Research subject
Järnvägsgruppen - Kapacitet; Transport Science
Identifiers
URN: urn:nbn:se:kth:diva-163524OAI: oai:DiVA.org:kth-163524DiVA: diva2:800570
Conference
RailTokyo2015, Tokyo, March 23-26, 2015, Narashino, Japan
Note

QC 20150407

Available from: 2015-04-07 Created: 2015-04-07 Last updated: 2015-04-07Bibliographically approved

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Warg, JenniferBohlin, Markus

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf