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 20 of 21 for “"Traffic Simulation Model"”.
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Calibration Procedure for a Microscopic Traffic Simulation Model
The inputs to a microscopic traffic simulation model generally include quantitative, but immeasurable data describing driver behavior and vehicle performance characteristics. Engineers often use default values for parameters such as car-following sensitivity and gap acceptance because it can be …
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A microscopic traffic simulation model for IVHS applications
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1993.
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Towards Developing an Integrated Microscopic Traffic Simulation Model for Large Road Networks
Traffic jams have become one of the key topics in the 21st century and cause immense losses in productivity, increase CO2 emissions and affect driver stress, travel time predictability and increased wear and tear on vehicles. To test possible countermeasures, optimise existing infrastructure or …
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General Aviation Demand Forecasting Models and a Microscopic North Atlantic Air Traffic Simulation Model
… is the General Aviation (GA) demand forecasting models. The contributions to this topic are three fold: 1) we calibrated an econometric model to investigate the impact of fuel price on the utilization rate of GA piston engine aircraft, 2) we adopted a logistic model to identify the relationship …
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A Framework for Developing and Integrating Effective Routing Strategies Within the Emergency Decision Support System
… with great detail. These details from the traffic simulation model can be used for devising strategies for evacuation and emergency response in case of a disaster.</p> <p>This thesis describes the modeling, calibration, and validation of the VISSIM traffic simulation model coded for …
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Exploring the Effects of Cooperative Adaptive Cruise Control in Mitigating Traffic Congestion
… Adaptive Cruise Control) equipped vehicles on traffic-flow characteristics of a multilane highway system. The research identifies how CACC vehicles affect the dynamics of traffic flow on a road network and demonstrates the potential benefits of reducing traffic congestion due to stop-and-go …
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Modeling gap acceptance at freeway merges
This thesis develops a merging model that captures the gap acceptance behavior of drivers that merge from a ramp into a congested freeway. Merging can be classified into three types: normal, forced and cooperative lane changing. The developed merging model uses a single critical gap function, which …
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Strategies for the alleviation of traffic congestion in the central city of Athens
… the "strangulation" of the city of Athens. Smog, traffic congestion, parking shortages, noise and excessive delays are everyday problems for the Athenians. The street network and the public transportation systems are not able to accommodate the existing traffic demands. An effort was made to …
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Comparison of Microscopic and Mesoscopic Traffic Modeling Tools for Evacuation Analysis
… processes can be evaluated using different simulation models. However, recently, microscopic simulation models have become a more popular tool for this purpose. The objectives of this study are to model multiple evacuation scenarios and to compare the INTEGRATION microscopic traffic …
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Finding ways out of congestion for the Chicago Loop : a microscopic simulation approach
… in the U.S., has experienced a great increase in traffic congestion, which limits regional mobility, induces a huge amount of energy waste and Greenhouse Gas emissions, and impedes economic development. Due to congestion, bus reliability and travel speed has decreased significantly. Since the …
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Mitigating emissions and energy consumption for urban transportation networks : simulation-based signal control strategies
Microscopic urban traffic simulators embed the most detailed traveler behavior and network supply models. They represent individual vehicles and can therefore account for vehicle-specific technologies. These simulators can be coupled with instantaneous energy consumption and emissions models to …
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Advanced Speed Control Strategies to Reduce Delay and Improve Safety of Car-Truck Mixed Traffic Flow
… truck, and it also varies speed limits based on traffic conditions. The study tested the impacts of DVSL on delay and safety for a section of the Gardiner Expressway in Toronto, Canada. In this study area, recurrent congestion occurs due to a sudden increase in entry traffic volume from an …
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Developing A Framework For Determining The Contribution Of Transportation Project To Sustainable Development
… sustainable development. A system dynamics model composed of three main high level engines is used to assist in the calculation; an economic, an environmental and a social engine. A traffic simulation model and a land use model were also developed adding a micro level for the original model. …
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Quantifying the Safety Impacts of Intelligent Transportation Systems
… important considering the rapid increase on traffic volume on American roads. This thesis describes the development of a safety model whose primary objective is to capture the benefits of Intelligent Transportation Systems (ITS) on safety. The specific ITS component that is examined in more …
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Methodology to Assess Traffic Signal Transition Strategies Employed to Exit Preemption Control
… vehicles to preempt the normal operation of traffic signals has the potential to improve the safety and efficiency of both the requesting vehicle and all of the other vehicles. Little is known about which strategy is the most effective to exit from preemption control and transition back to …
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An adaptive strategy for providing dynamic route guidance under non-recurrent traffic congestion
Traffic congestion on urban road networks has been recognized as one of the most serious problems with which modern cities are confronted. It is generally anticipated that Dynamic Route Guidance Systems (DRGS) will play an important role in reducing urban traffic congestion and improving traffic …
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Dynamic Learning and Human Interactions under the Extended Belief-Desire-Intention Framework for Transportation Systems
In recent years, multi-agent traffic simulation has been widely used to accurately evaluate the performance of a road network considering individual and dynamic movements of vehicles under a virtual roadway environment. Given initial traffic demands and road conditions, the simulation is executed …
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City-scale eco-routing and pavement eco-maintenance scheduling for CO2 mitigation
… subdivisions of infrastructure management and traffic management, different carbon mitigation approaches have been discussed to contribute to a greener transportation system. However, given the complex interactions that exist between the road users and the infrastructures, certain carbon …
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Improving traffic signal performance using high-resolution data
Traffic congestion has become a more and more severe problem for metropolitan areas all over the world. Although lots of effort has been devoted to improve the operation on major corridors, how to efficiently and effectively manage traffic based on the existing infrastructure is still a challenging …
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