Guidelines to Incorporate the Costs and Benefits of Adaptation Measures in Preparation for Extreme Weather Events and Climate Change (2020) / Chapter Skim
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Pages 25-28
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20 Chapter 4 – Conclusions and Research Recommendations The study team's research found that transportation agencies are increasingly attempting to incorporate adaptation for extreme weather and climate change into capital planning, most often when capital assets are identified for replacement; however, DOTs cite uncertainty as an obstacle to regularly incorporating adaptation into their design practices. It is important to identify where uncertainty exists and where it does not, or where there is more and where there is less.
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21 approaches for quantifying the impacts of extreme heat events/heat waves could benefit transportation practitioners in their understanding of costs and benefits in terms of continuity of operations and asset risk.
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22 Target Audience This research developed guidance and frameworks for DOTs and transportation practitioners to determine when and how to incorporate cost-benefit analyses into decision making regarding incorporation of climate adaptation into projects. The guidebook includes information regarding types of economic analyses and how each is typically used, considerations when selecting a discount rate for climate change conditions, summary information regarding climate conditions that might be trigger adaptation considerations, typical costs and benefits (often in terms of losses avoided)
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23 o Depending on geography, wetter or drier climates o Changes to expected types of winter precipitation o Rising sea level In the face of changing climate and increased incidences of extreme weather, policies addressing costeffectiveness can help DOTs make informed decisions about how to invest limited funds. In particular, CBA for climate adaptation helps provide a rigorous foundation for decision making, improving stewardship of limited public monies, and improving overall transportation system resilience.
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