Swedish Data For Railway Infrastructure
Maintenance And Renewal Cost Modelling
Author(s)
M. Andersson
Abstract
This paper describes work undertaken to prepare a comprehensive data set
covering 1999 – 2002 for econometric modelling of railway infrastructure
maintenance and renewal costs in Sweden. Costs for operations, maintenance
and renewals as well as infrastructure information have been gathered from the
Swedish National Rail Administration’s (Banverket) accounting and track
information systems. Traffic information has been retrieved from the major
passenger and freight operators, but underreported and missing freight data has
forced us to find solutions to impute values. From a review of various
techniques, multiple imputation (MI) has been found to be the most suitable
method given the status of the existing data. A variety of potential analyses using
the data set, like estimation of total and marginal costs of infrastructure
main
Keywords
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