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Sustainability 2019, 11(2), 377; https://doi.org/10.3390/su11020377

Life Cycle Analysis of Road Construction and Use

Department of Civil, Construction and Environmental Engineering, Sapienza University of Rome, 00184 Rome, Italy
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Received: 17 December 2018 / Revised: 7 January 2019 / Accepted: 9 January 2019 / Published: 13 January 2019
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Abstract

Both the construction and use of roads have a range of environmental impacts; therefore, it is important to assess the sources of their burdens to adopt correct mitigation policies. Life cycle analysis (LCA) is a useful method to obtain demonstrable, accurate and non-misleading information for decision-making experts. The study presents a “cradle to gate with options” LCA of a provincial road during 60 year-service life. Input data derive from the bill of quantity of the project and their impacts have been evaluated according to the European standard EN 15804. The study considers the impacts of the construction and maintenance stages, lighting, and use of the vehicles on the built road. The results obtained from a SimaPro model highlight that the almost half of impacts took place during the construction stage rather than the use stage. Therefore, the adoption of environmentally friendly road planning procedures, the use of low-impact procedures in the production of materials, and the use of secondary raw materials could have the largest potential for reducing environmental impacts. View Full-Text
Keywords: road construction; impact category; tunnel; bridge; embankment; trench; life cycle analysis road construction; impact category; tunnel; bridge; embankment; trench; life cycle analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Trunzo, G.; Moretti, L.; D’Andrea, A. Life Cycle Analysis of Road Construction and Use. Sustainability 2019, 11, 377.

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