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 18 of 18 for “"transportation data"”.
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Data-driven modeling and transportation data analytics
Data has become increasingly important in transportation research. Unfortunately, existing traffic models, though developed and practiced for decades, are not data driven and therefore inherently incapable of analyzing modern traffic data from multiple sources with different time resolution and …
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Transportation data as disruptive innovation in Mexico City
Despite the popularity of big data and smart city initiatives in rich countries, relatively few city governments in the Global South possess even basic information about public transportation routes and operations within their jurisdictions. The growing ubiquity of affordable mobile phones and …
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Evaluating Transportation Network Mobility and Enhancing Traffic Signal Operations Performance Using Probe Data and Connected Vehicle Technology
High-quality, reliable, and robust data is key to better understanding performance and improvement needs for transportation infrastructure. Predominantly, transportation systems performance has been evaluated using infrastructure-based data, which is often limited by high costs, small sample size, …
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Latent Class Model in Transportation Study
Statistics, as a critical component in transportation research, has been widely used to analyze driver safety, travel time, traffic flow and numerous other problems. Many of these popular topics can be interpreted as to establish the statistical models for the latent structure of data. Over the …
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Essays on the relationship between public transit usage and obesity
… among different populations. The 2009 health data from the Behavioral Risk Factor Surveillance System (BRFSS) and transportation data from the 2009 National Household Travel Survey (NHTS) are aggregated and matched at the county level. Measures of county level public transit accessibility and …
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Tarmac delay policies : a passenger-centric analysis
… estimates are achieved using U.S. Department of Transportation data from 2007, and one quarter of booking data purchased from a large legacy carrier to validate our results. The results suggest that the rule has been a highly effective deterrent for airlines to keep tarmac times under three …
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Simulating urban growth for Baltimore-Washington metropolitan area by coupling SLEUTH model and population projection
… available and locally-developed land cover and transportation data. Historical land cover data from 1996, 2001, 2006, and 2011 were used to calibrate SLEUTH model and predict urban growth from 2011 to 2070. SLEUTH model achieved 94.9% of overall accuracy for a validation year of 2014. For the …
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Modeling the value to retailers due to redesigning the grocery supply chain
… built using shipping, receiving, operations, and transportation data from C&S under the assumption that C&S was a good proxy for other distributors which are potential customers for ES3. The purpose of building the model was two-fold. First, ES3 would like to recruit distributors as customers and …
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Impacts of the Built Environment on Cycling Mode Share and Subsequent Greenhouse Gas Reductions
… in Canada increased by42%, while national road transportation emissions increased by 17.69% and accounted for approximately 20.73% of total Canadian greenhouse gas (GHG) emissions (Environment Canada, 2022). In May of 2017 - with a primary goal of encouraging individuals to adopt cycling as …
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An analysis of the funding of public school transportation in North Carolina
… of this study was (1) to examine the pupil transportation program in North Carolina relative to those used in the fifty states, (2) to examine variations in pupil transportation costs among North Carolina’s school districts, (3) to identify factors related to variations in per pupil …
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Optimizing battery swapping stations for electric vehicles and power system integration
… grid stability. Using real-world public transportation data from Berlin, Germany for an analytical demand estimation approach, an optimization model determines the optimal BSS location and its impact on ancillary service provision. The second study extends this analysis by developing an …
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Analyzing Freight Congestion and Transportation Performance Measures Using the National Performance Management Research Data Set (NPMRDS)
… flow and capacity planning.</p> <p>The main data source in this research is the National Performance Management Research Data Set (NPMRDS) for 2018. NPMRDS is a form of commercial GPS probe data, obtained from vehicles with on-board probe technologies. This dataset is licensed by the Federal …
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Statistical learning for cyber physical system
… overall system safety. In recent decades, the transportation domain has seen significant adoption of cyber-physical systems, such as automated vehicles. This dissertation will focus on the application of cyber-physical systems in transportation. Statistical learning techniques offer a powerful …
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A study of the funding of pupil transportation in Virginia
… purpose of this study was to examine the pupil transportation program in Virginia relative to those used in the fifty states, to examine variations in transportation costs among Virginia's school districts, and to analyze Virginia's present pupil transportation funding method and alternative …
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Deep Learning Models for Traffic Prediction in Urban Transport Networks.
… development of smart technologies built on big data analysis, the vision of smart city, that aims to improve quality of life, reduce energy consumption and pollution and drive economic growth, has been enhanced. One important component of this vision is the urban transport network which is …
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Mobile phone technology as an aid to contemporary transport questions in walkability, in the context of developing countries
… Walking is by far the most popular form of transportation in Africa’s rapidly urbanising cities, although it is not often by choice rather a necessity. Facilitating this primary mode, while curbing the growth of less sustainable mobility uses requires special attention for the safety and …
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Utilizing A Real Life Data Warehouse To Develop Freeway Travel Time Eliability Stochastic Models
During the 20th century, transportation programs were focused on the development of the basic infrastructure for the transportation networks. In the 21st century, the focus has shifted to management and operations of these networks. Transportation network reliability measure plays an important role …
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Data Visualization and Analytics to Support Accessible Pedestrian Planning and Decision-Making
Transportation planners cannot begin to address inaccessible pedestrian networks if they are not aware of the type and location of the network deficiencies. Unfortunately, planning tools that visualize these networks are not widely available and are only applicable to select jurisdictions. …