Freight movement accounts for a significant and growing share of energy use and greenhouse gas emissions (GHGs). Although many cities have developed climate action plans (CAPs) to address their transportation GHGs, freight transportation has received little attention. The overarching question that we answered throughout this research has been the f
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California has a range of existing and proposed targets toward a low carbon future. This paper summarizes an analytical review, focused on modeling approaches and what is known about their feasibility and cost. The findings in this paper are based on the Climate Change Policy Modeling (CCPM) forum, which included modelers, policy makers and stakeho
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Bridges are subjected to continuous deterioration due to aging, mechanical stressors, and harsh environmental conditions. Among these threats, hydraulic-related ones are identified as the leading cause of bridge failure in United States. Failure or closure of the bridges can cause a significant drop in transportation system functionality and conseq
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The transportation sector accounts for the largest portion of greenhouse gas (GHG) emissions compared to all other sectors, and GHGs are once again on the rise. At the same time, new mobility technologies are being introduced and fully autonomous vehicles (AVs) are anticipated to be deployed, at least to varying extents, within 5-10 years. (Waymo,
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UC Davis researchers examined how ride-hailing affects the total amount of driving (measured in vehicle miles traveled, VMT) as well as greenhouse gas (GHG) emissions. The researchers developed a framework of categories for analyzing the multiple aspects of transportation that may be affected by ride-hailing. These categories are: automobile owners
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This Summary Report and its associated Technical Report describe climate change effects in District 12. This document provides a high-level review of potential climate impacts to the district’s portion of the State Highway System, while the Technical Report presents detail on the technical processes used to identify these impacts. Similar reports a
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The following report, developed for the California Department of Transportation (Caltrans), summarizes a vulnerability assessment conducted for that portion of the State Highway System (SHS) located in Caltrans District 1. Although the SHS can be vulnerable to many different types of disruptions, this assessment specifically examined SHS vulnerabil
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This Summary Report and its associated Technical Report describe climate change effects in District 1. This document provides a high-level review of potential climate impacts to the district’s portion of the State Highway System (SHS), while the Technical Report presents detail on the technical processes used to identify these impacts. Similar repo
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This Summary Report and its associated Technical Report describe climate change effects in District 5. This document provides a high-level review of potential climate impacts to the district’s portion of the State Highway System (SHS), while the Technical Report presents detail on the technical processes used to identify these impacts. Similar repo
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The following report, developed for the California Department of Transportation (Caltrans), summarizes a vulnerability assessment conducted for that portion of the State Highway System (SHS) located in Caltrans District 5.
The significant change in climate is evident from the records of increased temperature, changed precipitation pattern, increased frequency of extreme weather events like storms, floods, and so forth. Like other infrastructure highway infrastructures also suffer the consequences of these climate change. Since the hydraulic design of these infrastruc
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United States. Committee on the Marine Transportation System (CMTS)
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2018-12-01
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PDF
In October 2017, the Coordinating Board of the U.S. Committee on the Marine Transportation System (CMTS) tasked the Marine Transportation System Resilience Integrated Action Team (RIAT) to identify the impacts, best practices, and lessons learned from the 2017 hurricane season. The RIAT is a consortium of Federal agencies that manage, operate, or a
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Sea level rise, as one of the most wide-spread and important climate change factors, has become a pressing threat to transportation infrastructures, especially in coastal region such as Hawaii. While many research have been conducted to assess the potential impacts and physical vulnerability of transportation network to sea level rise, it is often
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This primer provides a methodology to identify relevant living shorelines and green infrastructure strategies for protection of various types of tropical island coastal built environments, illustrated through three sites in Hawai‘i. The goal is to slow coastal erosion and reduce flooding so that coastal transportation ways can remain operational du
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The authors integrated a route-choice model with a multi-market simulation model to evaluate the effectiveness of alternative public policies that stimulate a faster adoption of cleaner technologies to reduce GHG emissions in the freight sector. Specifically, they illustrate the capabilities of the model by simulating fuel economy values for EPA’s
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This project reflects a collaboration between Tennessee Department of Transportation (TDOT) and project team members from the University of Tennessee aiming to understand and improve Tennessee’s transportation system sustainability and design a plan of action. The project team members started by using results from text analytics to determine sustai
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O‘ahu, Hawai‘i’s coastal hazards include accelerating erosion, sea level rise, and coastal storms that threaten to flood roadways and new rail infrastructure. Typical “hard” shoreline armoring for coastal protection results in detrimental erosion; this report presents alternatives, such as living shorelines and green infrastructure. When planning l
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Sea level rise, as one of the most wide-spread and important climate change factors, has become a pressing threat to transportation infrastructures, especially in coastal region. It is particularly a challenge for Hawaii given the geographic and topographic situation of these islands. While much research has been conducted to assess the potential i
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