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Energies 2019, 12(6), 1015; https://doi.org/10.3390/en12061015

Environmental Impact Assessment of Transportation Infrastructure in the Life Cycle: Case Study of a Fast Track Transportation Project in China

1
School of Civil Engineering, Chang’an University, Xi’an 710061, China
2
School of Economics and Management, Chang’an University, Xi’an 710061, China
3
Quantity Surveying, Federal University of Technology, Akure PMB 704, Nigeria
4
Department of Building and Real Estate, The Hong Kong Polytechnic University, 181 Chatham Rd. South, Hung Hom, Kowloon, Hong Kong
5
School of Civil Engineering and Built Environment, Queensland University of Technology (QUT), Gardens Point, Brisbane Q4001, Australia
*
Author to whom correspondence should be addressed.
Received: 18 January 2019 / Revised: 11 March 2019 / Accepted: 12 March 2019 / Published: 15 March 2019
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Abstract

The transportation sector generates enormous amount of environmental emission. This study aims to assess the environmental impact of the environmental emissions in a transportation infrastructure project life cycle. Using the fast track transportation project in China as a case study, the materials used and the energy consumed over the life cycle were converted into environmental emissions. The life cycle of fast track transportation project was divided into three phases including construction, maintenance and repair, and demolition phases. Both qualitative and quantitative method were applied to explore the environmental impact of transportation project. The life cycle assessment (LCA) method was used for the development environmental impact assessment (EIA) model to analyze the contribution of each process in the transportation project life cycle. The empirical results show that the construction phase has the highest environmental impact (62.7%) in the fast track transportation project life cycle, followed by the demolition (35.8%) and maintenance phases (1.7%). Among the materials used in the fast track transportation project, steel has the highest proportion of environmental impact in the construction phase (55.5%). This indicates the enormous environmental impact of the construction phase in fast track transportation project life cycle results from the use of steel material. This study contributes to reducing environmental emissions by revealing the greatest phase of environmental impact and material-source of environmental impact over the life cycle in a transportation infrastructure project. View Full-Text
Keywords: transportation infrastructure; environmental emissions; environmental impact assessment (EIA); life cycle assessment (LCA) transportation infrastructure; environmental emissions; environmental impact assessment (EIA); life cycle assessment (LCA)
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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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Li, H.; Deng, Q.; Zhang, J.; Olubunmi Olanipekun, A.; Lyu, S. Environmental Impact Assessment of Transportation Infrastructure in the Life Cycle: Case Study of a Fast Track Transportation Project in China. Energies 2019, 12, 1015.

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