What is it about?

Material stock of transportation infrastructure in Bangkok increases significantly, implying that there has been the large non-metallic material consumption overtime. The trends of road stock expand outward from the city center to suburban areas, while railway stocks still extend in the city center by the construction of sky trains and subways. This continuously trend could bring a pressure to the resource consumption (especially cement and bitumen) and maintenance-related infrastructure waste .

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Why is it important?

As Bangkok continually expands transportation infrastructure relatively to reduce the traffic issue, there has been a large requirement of non-metallic material consumption. To help decision makers track and manage this material effectively, it is essential understand the spatial and temporal patten of the accumulation of transportation infrastructure. This research is the typical showcase for Bangkok to start thinking of urban circular economy.


The Thai government often focus on pollution prevention and energy consumption, whereas the topic of infrastructure material consumption and waste management has yet to be concerned. This is the original for Bangkok that start looking at this issue, which can contribute to many aspect in the circular economy field of study. For example, more effective city planning and effective management of transportation waste.

Environmental System Analysis & Planning Kronnaphat Khumvongsa

Read the Original

This page is a summary of: Uncovering urban transportation infrastructure expansion and sustainability challenge in Bangkok: Insights from a material stock perspective, Journal of Industrial Ecology, January 2023, Wiley, DOI: 10.1111/jiec.13342.
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