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.
Results
Showing 1 to 20 of 26 for “"Roadway Network"”.
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Unveiling Roadway Network Safety: Application of Statistical Physics to Crowdsourced Velocity Data
… traffic safety poses stark realities. In 2022, roadway incidents in the U.S. claimed over 38,824 lives, surpassing the fatality rate of the COVID-19 pandemic within the country. Despite these alarming statistics, understanding the overarching patterns of traffic safety presents a complex …
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Issues and challenges of federating between different transportation simulators
… to address major concerns regarding the roadway network surrounding the port and the overall operations of the port. A federation of two disparate simulators was created in order to model the impacts of increased container traffic. The Port of Savannah was modeled using Rockwell Arena© …
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Characterizing the Dynamics of Vulnerability for Roadway Infrastructure Systems
… events. A number of existing studies address roadway networks where researchers have characterized the robustness and vulnerability of roadways to earthquakes, floods, and targeted attacks. However, extreme events with infrequent return periods are not very likely to occur in a 50-60 year …
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Model based pavement-vehicle interaction simulation for life cycle assessment of pavements
… gas (GHG) emissions, the U.S. transportation Network needs to attain a higher level of sustainability. This is particularly true for the roadway Network and the design of pavements in it. Vehicle fuel consumption required to overcome resisting forces due to pavement-vehicle interaction (PVI) …
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Network Roadway Surface Friction and Its Usage to Improve Safety and Project Performance along West Virginia Highways
Roadway surface friction along the West Virginia Division of Highways' roadway network is key to the safety of all traveling motorists. Being geographically located in the rugged Appalachian Mountains, the West Virginia Division of Highways' roadway network is flooded with innumerable geometric and …
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Land use planning in the Port of San Juan, Puerto Rico
… the proposed developments have on the overall roadway network. The third part constitutes an Urban Design and Land Use proposal for a district of the San Juan metropolitan area, Isla Grande. The conceptual transit-oriented development proposal shows a way to accommodate growth that benefits the …
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Assessment of Evacuation Network Performance under Different Evacuation Scenarios: The Florida Keys
… data about the Florida Keys, building the roadway network of the Florida Keys, calibrating and validating the model, modeling recommendations, and analyzing the outputs when imploring the different improvement strategies. In addition to the current evacuation plan, evacuation by zone, the …
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Surrogate Analysis and Calibration of Safety-Related Driver Behavior Modeling in Microscopic Traffic Simulation and Driving Simulator for Aggressive Driving
… that understanding the driving behaviors on the roadway network and implementing roadway configurations accordingly is one of the great solutions. Therefore, the modeling of driving behavior would be the focus of this two-part thesis. Chapter two of this thesis will elaborate on the modeling of …
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Development of a smartphone application to measure pavement roughness and to identify surface irregularities
… to collect roughness data over about 60 miles of roadway located in Champaign and Piatt County, IL, and measured IRI data has been integrated into a roadway network map using ArcGIS. In the roadway network map, every 0.1-mile pavement section has been highlighted with different colors based on …
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Measuring Accessibility to Primary Care Physicians in the Nashville Metropolitan Statistical Area
… of the data was carried out. Specifically, network analysis was applied to estimate travel time and service area coverage. A Two-Step Floating Catchment Area (2SFCA) method was implemented to measure spatial accessibility to PCPs. This method was applied to measure accessibility at the level …
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Development of safety performance functions and a GIS based spatial analysis of collision data for the City of Saskatoon
… and managing safety concerns on a road network. Each step plays a vital role in improving the safety of target road networks, and the first step, network screening, is the step where the safety issues are first identified. This is accomplished through the use of a series of Safety …
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Measuring congestion and emissions : a network model for Mexico City
… the level of congestion in Mexico City, a network model was built. Combining data from a 1994 origin destination survey and the 2000 census with a digitized roadway network, we were able to determine the state of vehicle speeds on roadways throughout the city. This speed distribution was …
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Fundamentals of public-private partnerships in the transportation sector : international methodologies of highway public-private partnerships and a framework to increase the probability of success and allocate risk
… and alternative solutions to fund the crumbling roadway network, the US will continue to struggle to find its way to economic prosperity. This thesis aims to give an overview of how private participation can play an integral role in revamping the US highway network and will outline several of the …
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Evaluating the Impacts of Connected Vehicle Technology on Evacuation Efficiency
… some problematic areas of the transportation network. At these locations the traffic backed up during a simulated evacuation, caused a significant amount of delay, and increased the evacuation clearance time. An emerging paradigm called Connected Vehicle (CV) technology can provide real-time …
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Accessibility-based analysis of infrastructure improvements to the Multimodal Western Corridor in Massachusetts
… DMU's through Kendall to North Station. With the roadway network operating close to, at, or beyond its practical capacity, these changes could allow for a major modal shift to transit for commuters from the largely residential western suburbs to multiple high growth areas in Boston, including …
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Pavement Friction Management (PFM) - A Step Toward Zero Fatalities
… policies that improve the safety of the roadway network and decrease the number of skidding-related crashes. This dissertation introduces new approaches to effectively use tire-pavement friction data for supporting asset management decisions. It follows a manuscript format and is composed …
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Accounting for midblock pedestrian activity in the HCM 2010 urban street segment analysis
… analyzing automobile performance on signalized roadway segments within an urban roadway network. The methodology involves applying a platoon dispersion model to: a) predict the vehicle arrival flow profiles at a downstream signalized intersection; b) use the predicted arrivals to compute the …
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Utilizing A Real Life Data Warehouse To Develop Freeway Travel Time Eliability Stochastic Models
… 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 in judging the performance of the transportation system and in evaluating the …
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A Framework for Dynamic Traffic Monitoring Using Vehicular Ad-Hoc Networks
… need high-quality data regarding the status of roadways for monitoring and delivering up-to-date traffic conditions to the traveling public. Currently this data is measured at static points on the roadway using technologies that have significant maintenance requirements. To obtain an accurate …
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A framework for guiding transportation improvements to support desired land use
… model provides an understanding of the future network conditions which will consequently lead to a better assessment of transportation improvement alternatives and land use planning. The framework provides answers to research questions in terms of what changes in land use patterns within the …
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