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KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).ORCID iD: 0000-0001-7040-4623
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms). Swedish Transport Administration (Trafikverket), Sweden.
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2014 (English)In: Journal of Environmental Assessment Policy and Management, ISSN 1464-3332, Vol. 16, no 4Article in journal (Refereed) Published
Abstract [en]

Energy use and greenhouse gas (GHG) emissions associated with life cycle stages of roadinfrastructure are currently rarely assessed during road infrastructure planning. This studyexamines the road infrastructure planning process, with emphasis on its use of EnvironmentalAssessments (EA), and identifies when and how Life Cycle Assessment (LCA) canbe integrated in the early planning stages for supporting decisions such as choice of roadcorridor. Road infrastructure planning processes are compared for four European countries(Sweden, Norway, Denmark, and the Netherlands).The results show that only Norway has a formalised way of using LCA during choiceof road corridor. Only the Netherlands has a requirement for using LCA in the laterprocurement stage. It is concluded that during the early stages of planning, LCA could beintegrated as part of an EA, as a separate process or as part of a Cost-Benefit Analysis.

Place, publisher, year, edition, pages
2014. Vol. 16, no 4
National Category
Environmental Management
URN: urn:nbn:se:kth:diva-161191DOI: 10.1142/S1464333214500380OAI: diva2:793930

QC 20150410

Available from: 2015-03-09 Created: 2015-03-09 Last updated: 2016-03-29Bibliographically approved
In thesis
1. Consideration of life cycle energy use and greenhouse gas emissions for improved road infrastructure planning
Open this publication in new window or tab >>Consideration of life cycle energy use and greenhouse gas emissions for improved road infrastructure planning
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Global warming is one of the biggest challenges of our society. The road transport sector is responsible for a big share of Greenhouse Gas (GHG) emissions, which are considered to be the dominant cause of global warming. Although most of those emissions are associated with traffic operation, road infrastructure should not be ignored, as it involves high consumption of energy and materials during a long lifetime.

The aim of my research was to contribute to improved road infrastructure planning by developing methods and models to include a life cycle perspective. In order to reach the aim, GHG emissions and energy use at different life cycle stages of road infrastructure were assessed in three case studies using Life Cycle Assessment (LCA). These case studies were also used for development of methodology for LCA of road infrastructure. I have also investigated the coupling of LCA with Geographic Information Systems (GIS) and the possibility to integrate LCA into Environmental Impact Assessment (EIA) and Strategic Environmental Assessment (SEA).

The results of the first case study indicated that operation of the tunnel (mainly, lighting and ventilation) has the largest contribution in terms of energy use and GHG emissions throughout its life cycle. The second case study identified the main hotspots and compared two methods for asphalt recycling and asphalt reuse. The results of the third case study indicated that due to the dominant contribution of traffic to the total impact of the road transport system, the difference in road length plays a major role in choice of road alternatives during early planning of road infrastructure. However, infrastructure should not be neglected, especially in the case of similar lengths of road alternatives, for roads with low volumes of traffic or when they include bridges or tunnels.

This thesis contributed in terms of foreground and background data collection for further LCA studies of road infrastructure. Preliminary Bill of Quantities (BOQ) was identified and used as a source for site-specific data collection. A new approach was developed and tested for using geological data in a GIS environment as a data source on earthworks for LCA. Moreover, this thesis demonstrated three possible ways for integrating LCA in early stages of road infrastructure planning.

Place, publisher, year, edition, pages
KTH Royal Institute of Technology, 2016. 44 p.
Greenhouse gas (GHG) emissions, energy use, life cycle assessment (LCA), road infrastructure planning
National Category
Environmental Analysis and Construction Information Technology
Research subject
Planning and Decision Analysis
urn:nbn:se:kth:diva-184163 (URN)978‐91‐7595‐912‐2 (ISBN)
Public defence
2016-04-22, Sal D3, Lindstedtsvägen 5, Stockholm, 13:00 (English)

QC 20160329

Available from: 2016-03-29 Created: 2016-03-29 Last updated: 2016-06-14Bibliographically approved

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