California has established itself as a leader in efforts to reduce greenhouse gas (GHG) emissions from transportation. At the same time, the state has not reflected its ambitious policies for GHG reduction and climate action in its practices for allocating state transportation funding. This white paper reviews the complex systems through which Cali
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Transportation is arguably experiencing its most transformative revolution since the introduction of the automobile. Concerns over climate change and equity are converging with dramatic technological advances. Although these changes – including shared mobility and automation – are rapidly altering the mobility landscape, predictions about the futur
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This paper argues that California should use any such opportunity to align the distribution of state transportation dollars with its climate objectives, not fall back on status quo allocation practices.
FHWA's Synthesis of Approaches for Addressing Resilience in Project Development (2017) study evaluated engineering approaches for assessing current and future weather hazards, and developed solutions and methodologies that transportation agencies may apply to increase the resilience of transportation assets and systems.
Predetermined evacuation zones can be used to estimate the demand of evacuees, which is helpful in assessing the resilience of transportation systems in the presence of natural disasters. Evacuation zones defined based on current road networks and environmental and demo-economic characteristics of a region cannot remain the same in the future becau
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The effects of a changing climate on transportation corridor slopes are poorly understood, but several recent studies have suggested that landslide activity, especially rockfall, is likely to increase as a consequence of the increased occurrence of intense precipitation events. Effects from climate change such as extreme temperature fluctuations, f
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The Federal Highway Administration's (FHWA's) Vulnerability Assessment and Adaptation Framework (the Framework), third edition, is a manual to help transportation agencies and their partners assess the vulnerability of transportation infrastructure and systems to extreme weather and climate effects. It also can help agencies integrate climate adapt
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This is one of nine engineering assessments conducted under the Transportation Engineering Approaches to Climate Resiliency (TEACR) Project. This assessment is different from all the others in that it is not a case study focused on exploring climate impacts to a particular asset. Instead, this report is focused on providing general background on th
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California's Sustainable Communities and Climate Protection Act (SB 375) and the Oregon Sustainable Transportation Initiative (SB 1059) have made them the first states in the nation to try and reduce greenhouse gas (GHG) emissions using the transportation-planning process. Evaluating how these pioneering laws have changed local planning processes -
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Measurement of sea level has historically been achieved by using tide gauges and global satellite altimetry. There is no consistent method or system for measuring and recording shoreline change over large areas and at fine resolution other than infrequent and expensive LiDAR overflights that do not capture seasonal fluctuations. This policy brief s
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While hurricane evacuation notices are typically timed to attempt to clear evacuees from the roadways prior to the arrival of tropical storm force (or greater) winds, low lying areas must also be concerned about storm surge flooding, particularly for surge forerunners and as sea levels rise. This report uses water level time series data from the U.
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An evaluation of renewable hydrogen production technologies anticipated to be available in the short, mid- and long-term timeframes was conducted. Renewable conversion pathways often rely on a combination of renewable and fossil energy sources, with the primary conversion step relying on a completely renewable source and the auxiliary steps using a
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This report is one of two NCST Research Reports produced as part of a project to evaluate the state of practice and adequacy of technical tools for resiliency and adaptation planning. A companion report, Network Requirements for Assessing Criticality for Climate Adaptation Planning, focuses specifically on the technical challenges of conducting cri
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Since 2014, US and Dutch counterparts have been collaborating on the topic of infrastructure resilience under a bilateral agreement between the Federal Highway Administration (FHWA) and Rijkwaterstaat (RWS), the Netherlands' Ministry of Infrastructure and Environment. During the first two years, each side learned about each other's tools and approa
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This report synthesizes lessons learned and innovations from recent FHWA studies and pilots to help transportation agencies address changing climate conditions and extreme weather events at the asset level. The report is designed to provide needed information to a range of engineering disciplines to integrate climate considerations into transportat
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The Federal Highway Administration (FHWA) undertook a Global Benchmarking Program (GBP) study in 2015 to learn how transportation agencies in other countries are adapting their roadway infrastructure to severe weather events and changes in climate and to identify innovative and best practices to help advance the development and implementation of re
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