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 20 for “"CORSIM"”.
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Integrating a Regional Planning Model (TRANSIMS) With an Operational Model (CORSIM)
… efficient traffic operational software package — CORSIM to perform sub area traffic operational analysis with demand and network extracted from applications of TRANSIMS. This methodology will allow TRANSIMS to take advantage of higher fidelity models for sub-network analysis and allow CORSIM to …
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A Comparison of CORSIM and INTEGRATION for the Modeling of Stationary Bottlenecks
… this thesis, the car-following behavior of the CORSIM and INTEGRATION simulation models are examined in significant detail, and its impact on output results explained. In addition, the thesis presents a calibration procedure for the CORSIM sub-model, FRESIM. Currently, FRESIM is calibrated by ad …
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A Comparative Analysis of Weaving Areas in HCM, TRANSIMS, CORSIM, VISSIM and INTEGRATION
… intent of the research is to evaluate TRANSIMS, CORSIM, VISSIM and INTEGRATION and compare them with Highway Capacity Manual, which adopts a traditional methodology for carrying out the operational analysis of a highway system. The statistics collected for the simulation runs include weaving …
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Analysis of Freeway Weaving Areas Using Corridor Simulator and Highway Capacity Manual
… and provide an estimate of speed as an output. CORSIM is a new computer simulation model developed by Federal Highway Administration (FHWA) for simulation of traffic behavior on integrated urban transportation networks of freeway and surface streets. The intent of this research is to identify …
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Development of Arrival Time Based Uniform Delay Models for Oversaturated Signalized Intersections
… from the simulated filed data generated by CORSIM for 12 scenarios out of 28 for zero initial queue conditions, and 14 scenarios out of 28 for nonzero initial queue conditions, however for the remaining scenarios they were significantly different. On the contrary, the control delays from the …
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Optimal speed limit for shared-use roadways
… unit cost of each severity level. In addition, CORSIM simulation was used under various posted speed limits to obtain parameters related to operational cost. Total cost curves were then built to show the relationship between posted speed limit and total economic cost. Using the developed crash …
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An Analysis of Traffic Behavior at Freeway Diverge Sections using Traffic Microsimulation Software
… microsimulation models, INTEGRATION, VISSIM, and CORSIM, to investigate the lane changing behavior as vehicles approach a freeway diverge area. The count of lane changes, lane use distribution, and visual inspection of the simulated lane changing behavior was compared to video data collected at …
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Development and application of dynamic models for predicting transit arrival times
… by enhancing the microscopic simulation program CORSIM which can calculate bus dwell and passenger wait times based on time-dependent passenger demands and vehicle inter-departure times (headways) at stops. The proposed prediction models are integrated with the enhanced CORSIM individually to …
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Travel Time Estimation on Arterial Streets
… situations. Simulation model is developed in CORSIM to validate developed algorithms under different traffic situations.
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Dynamic multi-ramp metering control with simultaneous perturbation stochastic approximation (SPSA)
… on the collected geometric and traffic data, a CORSIM model was developed to simulate traffic operation for the study site. The potential benefit of the dynamic multi-ramp metering control model under time varying traffic condition was simulated and evaluated. The increased total throughput and …
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A stochastic mesoscopic cell-transmission model for operational analysis of large-scale transportation networks
… of the improved version of CTM versus CORSIM. The simulation results showed comparable performance of both platforms in terms of link occupancy (density) and total network travel time and demonstrate the potential of employing CTM in traffic operations applications.
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Calibration and Comparison of the VISSIM and INTEGRATION Microscopic Traffic Simulation Models
… traffic simulation software including: CORSIM, AIMSUN, VISSIM, PARAMICS and INTEGRATION and then compares the VISSIM and INTEGRATION software for the modeling of traffic signalized approaches. The thesis presents two papers. The first paper develops procedures for calibrating the …
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A Bi-Level Programming Formulation and Heuristic Solution Approach for Traffic Control Optimization in Networks With Dynamic Demand and Stochastic Route Choice
… most widely used commercial simulation software, CORSIM, is used to validate the output of heuristic solution approach. The heuristic solution approach is applied in two signalized networks to search for the optimal signal control plan with the consideration of dynamic demand and stochastic route …
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Optimizing Traffic Network Signals Around Railroad Crossings
… simulation evaluation of SOURCAO by TSIS/CORSIM demonstrated that the objectives are reached. The average network delay for 20 runs of simulation evaluation is reduced over eight percent by a t-test while the safety of HRGC is promoted. The sensitivity tests demonstrate that SOURCAO works …
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An Assessment Methodology for Emergency Vehicle Traffic Signal Priority Systems
… simulation analysis was implemented using the CORSIM traffic simulation software as the tool. Results from the simulation analysis were used to make recommendations for enhancements to the IDAS emergency vehicle traffic signal priority methodology. These enhancements include the addition of …
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Calibration Procedure for a Microscopic Traffic Simulation Model
… number of available calibration parameters. The CORSIM (short for CORridor SIMulation) model developed by the Federal Highway Administration contains dozens of optional calibration parameters controlling various aspects of driver behavior. Determining the sensitivity of the model to these …
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Dynamic Signal Coordination Models for a Network With Oversaturated Intersections
… functions. The microscopic simulation model, CORSIM, is used to validate the proposed signal coordination model. The results confirm that signal control and strategies developed within the framework of DSCM can be implemented, and the traffic volume and relationship of variables developed for …
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Intelligent dynamic signal timing optimization program
… IDSTOP solutions were compared to Direct-CORSIM solution using a realistic case study network and four demand patterns covering both undersaturated and oversaturated conditions for symmetric and asymmetric traffic demands. Findings indicated that IDSTOP solutions resulted in significantly …
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Methodology to Assess Traffic Signal Transition Strategies Employed to Exit Preemption Control
… with a microscopic traffic simulation model (CORSIM, TSIS 5.2 beta version). The research concludes that a statistically significant interaction exists between traffic volume levels and traffic signal transition strategies. This interaction eliminates the ability to determine the isolated …
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Developing Microscopic Toll Plaza Model Using Paramics
… simulation models, like PARAMICS, VISSIM, CORSIM … etc, do not come readily available with built in toll plaza models. On the other hand, many researchers have independently developed toll plaza models, which can only model an isolated toll plaza without the road network. These toll plaza …