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Marginal railway renewal costs: a survival data approach
Swedish National Road and Transport Research Institute, Society, environment and transport, Transport economics Stockholm.
2007 (English)Report (Other academic)
Abstract [en]

In this paper, renewal costs for railway tracks are investigated using survival analysis. The purpose is to derive the effect from increased traffic volumes on rail renewal cycle lengths and to calculate associated marginal costs. A flow sample of censored data containing almost 1 500 observations on the Swedish main railway network is used. We specify Weibull accelerated failure time regression models, and estimate deterioration elasticities for total tonnage as well as for passenger and freight tonnages separately. Marginal costs are calculated as a change in present values of renewal costs from premature renewal following increased traffic volumes.

Place, publisher, year, edition, pages
Stockholm: Statens väg- och trafikinstitut , 2007. , 32 p.
CTS Working Paper, 2007:10
Keyword [en]
Railway track, Maintenance, Construction, Cost, Life cycle, Traffic flow, Wear, Calculation, Mathematical model, Estimation
National Category
Economics Infrastructure Engineering
Research subject
Railway: General works, surveys, comprehensive works, Railway: Economics; Railway: General works, surveys, comprehensive works, Railway: Railway track
URN: urn:nbn:se:vti:diva-682OAI: diva2:669382
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2014-06-10Bibliographically approved

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Type fulltextMimetype application/pdf

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Andersson, Mats
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Transport economics Stockholm
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