Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 14 of 14 for “"Transportation Efficiency"”.
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The effect of outsourcing and situational characteristics on physical distribution transportation efficiency
… for the logistics function of motor carrier transportation. A full factorial design was executed on a simulated transportation network to investigate how the efficiency of motor carrier transportation was affected by how it was structured (private/leased fleet versus contract carrier …
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Optimizing Railroad Tank Car Safety Design to Reduce Hazardous Materials Transportation Risk
… phase addresses the tradeoff between safety and transportation efficiency by using Pareto optimization to identify the most efficient design combinations to improve safety while minimizing incremental weight. The second phase involves estimation of chemical-specific hazard levels and calculation …
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Biofuel supply chain challenges and analysis
… most cost efficient manner. One way to improve transportation efficiency of feedstock is to increase the energy density of the feedstock. However, increasing the density of a feedstock comes with a cost. We use switchgrass as a case study and examine the tradeoff between higher transportation …
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Identifying A Statistical Model For North Dakota K-12 Public School Transportation Funding By Comparing Fifteen State Transportation Funding Formulas
… was to review the history of North Dakota K-12 transportation funding system, identify how school districts are reimbursed for transportation expenses, and compare this information with fourteen other state transportation funding systems. North Dakota utilizes a block grant structure that has …
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AI-driven smart cities: Digital twin simulation, V2X communication, and EV infrastructure optimization
… accelerates, cities face mounting challenges in transportation efficiency, safety, and sustainability. This dissertation explores the integration of Digital Twin (DT) technology, Connected Vehicle Communication (C-V2X), and Electric Vehicle (EV) infrastructure optimization to advance smart city …
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Essays in Measuring, Controlling, and Coordinating Supply Chain Inventory and Transportation Operations
… three cost components of inventory holding, transportation and ordering processing without imposing assumptions that normally do not hold in practice. The second contribution, discussed in chapter 3, is development of a verifiable efficiency measurement system to ensure the benefits of CRP …
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Requirements for a Nationwide Intermodal Trip Planner in the US
… has yet to achieve the 1991 Intermodal Surface Transportation Efficiency Act's (ISTEA) goal of creating a seamless intermodal transportation system. In addition to the dearth of connections, the nation's poor transportation information systems limit intercity intermodal transportation. Travelers …
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Benefit-Cost Analysis with Nevada Characteristics
The efficient allocation of funding for transportation projects is crucial for Nevada's roadway system. Well-established prioritization frameworks are needed in order to accomplish the allocation of funding for projects that will provide the most benefit for its users. In Nevada, the Nevada …
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Regional architectures and environmentally-based transportation planning : an institutional analysis of planning in the Mexico City Metropolitan Area
… technologies has changed the face of both transportation system management and long-term planning. Second, the federal mandate for integrated environmentally-based transportation planning in the United States was expanded with firm resolve by the Intermodal Surface Transportation Efficiency …
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Determinants of Post-Harvest Handling Practices and Technologies Harnessed by Smallholder Fruit Crop Farmers in Vhembe District, Limpopo Province, South Africa
… influenced by factors such as market demand and transportation efficiency. Postharvest losses are prevalent, with 50.9% of farmers experiencing issues such as rotting and physical damage, primarily due to inadequate storage and improper handling. Despite 50% awareness of postharvest practices and …
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Cooperative and Decentralized Defense in Autonomous Vehicle Networks
In the era of the transportation revolution, the emergence of Autonomous Vehicle Networks (AVNs) represents a remarkable feat of technological sophistication. It embodies a seamlessly interconnected system of Autonomous Vehicles (AVs) that operate with unparalleled precision, exhibit cohesive …
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Semi-autonomous driving control of multi-trailer articulated heavy vehicles for increasing highway traffic safety
… Vehicles (MTAHVs) to enhance highway safety and transportation efficiency. While autonomous driving has progressed, concerns about safety, reliability, and ethical issues remain, making the transition to full autonomy gradual. Unlike the extensive focus on semi-autonomous technologies for …
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Quantifying the Impact of Traffic-Related and Driver-Related Factors on Vehicle Fuel Consumption and Emissions
The transportation sector is the dominant source of U.S. fuel consumption and emissions. Specifically, highway travel accounts for nearly 75 percent of total transportation energy use and slightly more than 33 percent of national emissions of EPA's six Criteria pollutants. Enactment of the Clean …
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Enhancements to Transportation Analysis and Simulation Systems
… models are important tools in developing transportation plans for a metropolitan area. These tools provide forecasts of urban travel patterns under various transportation supply conditions. The predicted travel patterns then provide useful information in planning the transportation system. …