Abstract
Global urban infrastructure spending is expected to triple by 2050 as cities try to keep up with growing populations and retrofit ageing civil works. However, long-lived infrastructure needs to be developed within local and global limits and aspirational targets such as the United Nations sustainable development goals. This paper presents an approach to measure and prioritise urban infrastructure as it relates to sustainability boundaries and targets. It provides a simple yet powerful tool for public policy and urban infrastructure planning. As an example, the method is applied to nine real transportation projects in Toronto, Canada, and these are compared with urban transport projects in Brazil, China, India and Senegal.
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