Working Papers, Swedish National Road & Transport Research Institute (VTI)
No 2008:5:
Estimating the economic lifetime of roads using road replacement data
Mattias Haraldsson ()
and Lina Jonsson ()
Abstract: This paper analyses the economic lifetime of roads in
Sweden using a data over kilometres of new roads together with road network
data and a centrality index constructed from population statistics. The
relation between economic lifetime and centrality is performed by poisson
regression. It is shown that roads in more central parts of the country and
in parts more affected by population changes (increase) generally have
shorter economic lifetimes. The analysis shows economic lifetimes of
Swedish roads to be between 25 and 111 years, with the majority of the
economic lifetimes in the upper part of this range (above 70 years).
Keywords: Economic lifetime; road; cost benefit analysis; (follow links to similar papers)
JEL-Codes: R40; (follow links to similar papers)
23 pages, May 28, 2008
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