Integrating Life-cycle Assessment into Transport Cost-benefit Analysis

Stefano Manzo, Kim Bang Salling

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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    Abstract

    Traditional transport Cost-Benefit Analysis (CBA) commonly ignores the indirect environmental impacts of an infrastructure project deriving from the overall life-cycle of the different project components. Such indirect impacts are instead of key importance in order to assess the long-term sustainability of a transport infrastructure project. In the present study we suggest to overcome this limit by combining a conventional life-cycle assessment approach with standard transport cost-benefit analysis. The suggested methodology is tested upon a case study project related to the construction of a new fixed link across the Roskilde fjord in Frederikssund (Denmark). The results are then compared with those from a standard CBA framework. The analysis shows that indirect environmental impacts represent a relevant share of the estimated costs of the project, clearly affecting the final project evaluation. Additionally, they can significantly modify the weight of the different components of the overall project costs – evidently becoming a significant part of the estimated construction cost. Therefore, the suggested approach guarantees a higher quality of information thus providing decision makers with a more thorough insight of the environmental impact of the project.
    Original languageEnglish
    Title of host publicationTransportation Research Procedia
    Number of pages10
    Volume14
    PublisherElsevier
    Publication date2016
    Pages273-282
    DOIs
    Publication statusPublished - 2016
    Event6th Transport Research Arena - Warsaw, Poland
    Duration: 18 Apr 201621 Apr 2016

    Conference

    Conference6th Transport Research Arena
    CountryPoland
    CityWarsaw
    Period18/04/201621/04/2016
    SeriesTransportation Research Procedia
    ISSN2352-1465

    Bibliographical note

    This is an open access article under the CC BY-NC-ND license

    Keywords

    • Life-cycle Assessment
    • Cost-benefit Analysis
    • Sustainability
    • Transport Models
    • Decision Support Modelling

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