With more recognition of climate change's advent and seriousness, it is widely recognized that there could be more severe and frequent disruptions with the existing transportation infrastructure system. When the current infrastructure systems are overwhelmed and disrupted, communities depend on disaster relief supply chains to maintain the communit
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Home gardeners’ concerns for the environment are expressed both in the ecofriendly gardening practices they use and in environmental attributes they prefer in the gardening products they purchase. This study uses data from a 2018 survey of 601 Tennessee outdoor home gardeners and a multiple indicators multiple causes (MIMIC) model to illustrate how
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The transportation sector is a major energy consumer and contributor to air pollution. Public transportation authorities can often find it challenging to choose the best projects among a spectrum of candidate transportation projects to reduce energy consumption and mitigate emissions. The objective of this project was to develop a sketch environmen
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California is in the midst of improving its freight system. For example, the California Sustainable Freight Action Plan (CSFAP) established the goal of reaching a 25% increase in freight efficiency, the use of 100,000 zero emission vehicles and equipment (and maximize the number of near zero emission vehicles) in the system, and improving economic
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Wheat straw, a wheat byproduct, can be used in making disposable dinnerware. This study uses a contingent valuation survey to measure consumer willingness to pay (WTP) for wheat straw dinnerware bowls (WSB). Consumers would pay a premium ($1.33) for a 25-count package of molded WSB over the same size package of conventional bowls. Target markets in
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This Report presents summary findings form the 2019 ITS JPO Connected Vehicle (CV) and Automated Vehicle (AV) Survey. The survey was administered online to freeway, arterial and transit agencies from 78 large metropolitan areas and 30 medium size cities (the same survey population as previous Deployment Tracking Surveys). Online data collection ran
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The Environmental Peer Review Panel was convened to evaluate the noise, air quality, and greenhouse gas technical analyses that were conducted for the Environmental Assessment (EA) prepared by the Oregon Department of Transportation (ODOT) for the I-5 Rose Quarter Improvement Project (Project). The Panel consisted of six practitioners from around t
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University of California, Davis. Institute of Transportation Studies
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2020-04-13
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ZIP
California is in the midst of improving its freight system. For example, the California Sustainable Freight Action Plan (CSFAP) established the goal of reaching a 25% increase in freight efficiency, the use of 100,000 zero emission vehicles and equipment (and maximize the number of near zero emission vehicles) in the system, and improving economic
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This report summarizes the experience and results from a demonstration of a fleet of battery electric buses (BEB) operated by Long Beach Transit (LBT) in southern California. In 2011, LBT was awarded a $6.7 million grant through FTA’s Transit Investments for Greenhouse Gas and Energy Reduction (TIGGER) program to fund an electric bus pilot project.
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Local governments have steadily increased their initiative to address global climate change, and many present their proposed strategies through climate action plans (CAPs). This study conducts a literature review on current local approaches to greenhouse gas (GHG) reduction strategies by assessing CAPs in California and presents common strategies i
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The proposed project is intended to design, develop, characterize, and demonstrate the feasibility of oxide materials based sensors, which are compatible for high temperature operation and efficient in functionality in a wide range of pressures that encountered in engines, for utilization in next generation, advanced transportation systems. The goa
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Transportation infrastructure is a complex system of assets required to deliver multiple services and functions. As fiscal constraints for the development and rehabilitation of roadways remain, and repeated retrofitting to address the impacts of extreme weather and climate risk continue to be cost prohibitive, new and novel approaches to long-term
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Stormwater runoff is generated from precipitation, snow and ice melt events that flow over impervious surfaces and cannot soak into the ground. It has been long recognized as the major contributor to water quality impairment. This project conducts an analysis of need via an extensive literature review. It shows that there is a critical need to prov
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Colorado. Department of Transportation. Applied Research & Innovations Branch
2020-01-01
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PDF
Transportation owners and operators are responsible for the delivery of a range of services and functions through the management of a multifaceted system of assets. These systems must be managed notwithstanding aging and deteriorating infrastructure and fiscally constrained resources. Many agencies are moving towards performance based resource allo
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Significant emissions from transportation contribute to the formation of O3 and fine particulate matter (PM2.5), causing poor air quality and health. In this study, four scenarios were developed to understand how future fleet electrification and turnover of both gasoline and diesel vehicles affect air quality and health in the Houston Metropolitan
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Heavy-duty diesel trucks are significant contributors of nitrogen oxides and particulate matter emissions. As a result, areas with a lot of truck traffic often experience elevated levels of diesel related air pollution. There has been increasing awareness of this environmental justice issue, which has led to the designation of disadvantaged communi
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This report, developed for the California Department of Transportation (Caltrans), summarizes a vulnerability assessment conducted for the portion of State Highway System (SHS) in Caltrans District 3. Although the SHS can be vulnerable to many different types of disruptions, this assessment specifically examined SHS vulnerabilities from long-term c
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This report, developed for the California Department of Transportation (Caltrans), summarizes a vulnerability assessment conducted for the portion of the State Highway System (SHS) located in Caltrans District 10. Although the SHS can be vulnerable to many different types of disruptions, this assessment specifically examined SHS vulnerabilities fro
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This study investigates the potential impacts of climate change on future flows in the main stem of the Connecticut and Merrimack rivers within Massachusetts. The study applies two common climate projections (Representative Concentration Pathways), RCP 4.5 and RCP 8.5, to the 21st century. The authors use downscaled gridded precipitation forecasts
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