Research Archive

Analysis, Modeling and Simulation

An important component of ICM is Analysis, Modeling, and Simulation (AMS). The use of AMS provides ICM adopters with the means to assess operational strategies before they are implemented and to continuously monitor changing conditions and operational effectiveness.

Title  Abstract How to Use Useful to Date
I-15 San Diego, California ICM AMS Analysis Plan This document outlines the various tasks associated with the application of the ICM analysis, modeling, and simulation (AMS) tools and strategies to the I-15 corridor in support of a benefit-cost assessment of the proposed ICM strategies. The report provides a brief description of the corridor and the methodology used for the AMS. It lays out ICM strategies that will be tested and provides a list of the AMS scenarios. The document then defines performance measures that will be utilized in the analysis of the ICM strategies on the corridor and sets out the simulation model validation requirements and the data needs for this calibration. Appendices are included that provide detailed lists of prioritized ICM strategies and scenarios for San Diego, provide the Data Collection Plan for the AMS effort, provide the draft methodology memorandum for calculating travel time reliability for the AMS effort, and describe the method employed to estimate transit mode shift. This document can be used as an example framework for an analysis plan for ICM AMS. Transportation professionals involved in or considering conducting ICM AMS. 2/10
I-15 San Diego, California, Model Validation and Calibration Report This report summarizes the results and process for the calibration of the microsimulation network for the I-15 Corridor in San Diego, California, which was simulated in TransModeler microsimulation. The report is organized into two major parts. The first part provides the final calibration results, and provides a quick summary of the model calibration criteria and comparison against real data. The second section provides further insights into the calibration process, including details on the software used, challenges faced, and key lessons that can be carried forward in future projects Users can read this document to learn more about conducting model calibration/validation for ICM AMS. Transportation modelers interested in learning more about ICM AMS methodology 2/10
I-394 Minneapolis, Minnesota ICM AMS Model Calibration and Validation Report This report documents the calibration and validation of the baseline (2008) mesoscopic model for the I-394 Minneapolis, Minnesota, Pioneer Site. DynusT was selected as the mesoscopic model for analyzing operating conditions in the I-394 corridor study area, and the report provides details on the network development, traffic flow model calibration, origin-destination (OD) demand calibration, and model validation. In addition, the report provides a modeling methodology for simulation of transit, as well as the results of a sensitivity analysis, utilizing information from a known incident, undertaken to verify the ability of the validated model to replicate operating conditions for incident scenarios. Users can read this document to learn more about conducting model calibration/validation for ICM AMS. Transportation modelers interested in learning more about ICM AMS methodology 2/10
I-394 Minneapolis, Minnesota, ICM AMS Analysis Plan This document outlines the various tasks associated with the application of the ICM analysis, modeling, and simulation (AMS) tools and strategies to the I-394 corridor in support of a benefit-cost assessment of the proposed ICM strategies. The report provides a brief description of the corridor and the methodology used for the AMS. It lays out ICM strategies that will be tested and provides a list of the AMS scenarios. The document then defines performance measures that will be utilized in the analysis of the ICM strategies on the corridor and sets out the simulation model validation requirements and the data needs for this calibration. This document can be used as an example framework for an analysis plan for ICM AMS. Transportation professionals involved in or considering conducting ICM AMS. 2/10
Integrated Approach: Analysis, Modeling and Simulation Results for the ICM Test Corridor Article in Traffic Technology International Traffic Annual Showcase This article was published in the February 2009 Traffic Technology International Traffic Annual Showcase magazine. It provides background information on the Integrated Corridor Management (ICM) Initiative’s 8 Pioneer Sites (the sites are: Dallas, TX, Houston, TX, San Antonio, TX, San Diego, CA, Oakland, CA, Minneapolis, MN, Seattle, WA, and Montgomery County, MD). This article discusses the principles of the Analysis, Modeling, and Simulation (AMS) methodology developed for the Test Corridor, the modeling approach used along the corridor, tools and procedures for various operating conditions, and the specific ICM strategies that were examined along the Test Corridor. The article summarizes the results from the AMS of the Test Corridor, describes the performance measures used to quantify the benefits of ICM, and describes the benefits of ICM determined through the AMS. Lastly, the article informs readers about the three sites chosen for AMS testing (Dallas, TX, San Diego, CA, and Minneapolis, MN) and the next steps for the ICM Initiative. This article serves as a detailed overview of the AMS of the Test Corridor performed as part of Phase 2 of the ICM Initiative. Readers can learn more about the principles of AMS, the methodology used along the Test Corridor, and the results of the testing. Transportation and public affairs/marketing professionals at all levels (Federal, State and local) seeking to raise awareness in their area or organization about the ICM Initiative’s AMS methodology and test corridor results; Transportation practitioners looking to learn about AMS principles, methodology, and results. 2/09
Integrated Corridor Management (ICM) Initiative Presentation This presentation provides an overview of ICM and the USDOT ICM Research Initiative. It also introduces ICM analysis, modeling, and simulation (AMS), including ICM data types and performance measures, methodology, and results from the ICM AMS results from Dallas, Minneapolis, an San Diego. This document can be used as a high level introduction to ICM and the USDOT ICM Initiative as well as the ICM AMS methdology and results from three pioneer sites. Transportation professionals interested in learning more about the USDOT ICM Initiative and ICM AMS. 5/12
Integrated Corridor Management Analysis, Modeling and Simulation (AMS) Methodology This document provides an overview of potential ICM analytical approaches that can be used to assess transportation corridor operations. The Analysis, Modeling and Simulation (AMS) framework described in this report identifies strategies and procedures for tailoring AMS general approaches toward individual corridors with different application requirements and modeling characteristics. This report discusses different traffic analysis tools which include macroscopic, mesoscopic, and microscopic models. This report also identifies a list of recommended performance measures for use in ICM AMS; a framework to enable a consistent assessment of existing conditions, application of performance measures, and analysis considerations; an output format for the ICM AMS corridor studies; and a prioritization/cost-benefit framework. See related documents for more information: "ICM AMS Experimental Plan for the Test Corridor" and "Test Corridor Model Description" also in the Knowledgebase. Transportation engineers in the field seeking to implement ICM can use this document as a guide to understanding the ICM AMS framework and to apply it to their corridors' needs. Readers can tailor the AMS approach used in the Test Corridor to their corridor's needs, unique conditions and existing tools. Readers will improve their general understanding of ICM, modeling and simulation in general, and the unique contributions that the ICM AMS approach offers corridor managers seeking to optimize their transportation networks. Transportation engineers and other professionals at Federal, State and local government agencies interested to optimize their multimodal transportation networks through ICM. 3/08
Integrated Corridor Management Analysis, Modeling, and Simulaton Fact Sheet The USDOT developed this visual, 2 page fact sheet (front and back) to help raise awareness about the ICM analysis, modeling, and simulation (AMS) conducted at the Dallas, Minneapolis, and San Diego Pioneer Sites. The fact sheet describes ICM AMS and provides an overview of AMS methodology. Download and/or view as a PDF or view as an HTML. A site can use this fact sheet in support of their own promotional goals and objectives. Transportation and public affairs/marketing professionals at all levels (Federal, State and local) seeking to raise awareness in their area or organization about ICM and ICM AMS. 5/12
Integrated Corridor Management Article in Public Roads This article was published in the November/December 2010 issue of the Public Roads. The article provides a brief introduction and overview of the Integrated Corridor Management (ICM) Initiative, and then a summary of the Analysis, Modeling, and Simulation (AMS) activities at the three AMS Pioneer Sites (Dallas, TX; Minneapolis, MN; and San Diego, CA). Preliminary results show an increase in travel time reliability and a considerable benefit for deploying ICM strategies at these sites. Lastly, the article touches on the lessons learned from the AMS phase and provides background information on the Demonstration activities that are forthcoming at the Dallas and San Diego Pioneer Sites. This article can be used to promote awareness for the ICM Initiative, learn about preliminary results from AMS activities, and gain an understanding of the ICM strategies that will be deployed at the Dallas and San Diego demonstration sites. Transportation and public affairs/marketing professionals at all levels (Federal, State and local) seeking to raise awareness in their area or organization about ICM and its successes; General public, public officials, and others who would like to learn more about the ICM Initiative. 12/10
Integrated Corridor Management Initiative: Analysis Modeling and Simulation (AMS) This presentation provides an overview of the ICM AMS methodology, operational conditions analysis, performance measures, strategies modeled, and analysis results. The framework for AMS and its models are listed. The three ICM AMS sites (Dallas, San Diego, and Minneapolis) and their models are shown. Performance measures, strategies, operational conditions, and analysis results are charted. Lastly, trends in results and more detailed information on the pre and post-ICM statistics are given. Users can read this presentation to gain an understanding of the ICM AMS efforts, lessons learned, and preliminary results. Transportation practitioners interested in the status of the USDOT’s ICM Initiative and its activities at the Pioneer Sites. 3/11
Integrated Corridor Management Modeling Results Report: Dallas, Minneapolis, and San Diego This executive summary documents the analysis methodologies, tools, and performance measures used to analyze ICM strategies and presents high-level results for the successful implementation of ICM at three Pioneer Sites, including 1) the U.S. 75 corridor in Dallas, Texas; 2) the I-15 corridor in San Diego, California; and 3) the I-394 corridor in Minneapolis, Minnesota. The executive summary provides an overall summary of benefits of ICM, followed by brief descriptions of the corridors, operational conditions, and ICM strategies, analyzed, and summaries of estimated benefits for each corridor. It also provides a summary of the analysis methodology employed in the three sites, including model calibration methodology, analysis for different operational conditions, performance measures, analysis plans, and calculation of ICM benefits. Reports providing detailed summaries of analysis approaches used at each of the sites, and benefits, are also provided. Users can read this document to learn more about the AMS methodologies employed at three Pioneer Sites and about the potential benefits of ICM. Transportation professionals interested in learning more about ICM AMS methodology and results. 2/12
Integrated Corridor Management Presentation from TexITE Fort Worth Section Workshop 2008 The presentation provided a detailed look at the US-75 Dallas, Texas Pioneer Site. Topics covered included, a look at the partner agencies for the project, how Dallas is looking to implement integrated corridor management (ICM) specifically, and why ICM is needed in Dallas along this corridor. The presentation also showcases a set of slides related to corridor strengths, weaknesses, proposed improvements, and how all of these aspects play into the development of the Integrated Corridor Management System (ICMS) in Dallas. Lastly, the presentation provides detailed information regarding Dallas’ Analysis, Modeling, and Simulation (AMS) tools used predict how the corridor would react to the implementation of ICM concepts, including an introduction to the tools used (DynaSMART-P, DIRECT, VISSIM, and NCTCOG models). Users can view this presentation to see an overview of the US-75 Pioneer Site in Dallas, TX and learn, in detail, about the modeling tools used in support of Dallas’ AMS activities. Transportation practitioners interested in gaining a detailed look at the Dallas ICM Pioneer Site, its proposed ICMS, and the AMS tools used to predict the behavior of the system using ICM strategies. 3/08
Integrated Corridor Management Session SS24 Presentation at the ITS America 2010 Annual Meeting These slides were presented by Steven Mortensen, Federal Transit Administration (FTA) Integrated Corridor Management (ICM) Program Manager, at the ITS America 2010 Annual Meeting in Houston, Texas. The presentation provided an overview of the ICM Initiative, background about the eight Pioneer Sites, and lessons learned through the development of Concept of Operations and Systems Requirements documents at each of the Pioneer Sites. Analysis, Modeling, and Simulation (AMS) activities, as part of Phase 3 of the Initiative, are also discussed at a high level, including a table of strategies being modeled at each of the 3 AMS Pioneer Sites (Minneapolis, San Diego, and Dallas). The slides include a status update on the progress of the Pioneer Site AMS activities. Lastly, a preliminary demonstration schedule for the two ICM Implementation Pioneer Sites (Dallas and San Diego). Users can read this presentation to get a status update of the AMS activities in Minneapolis, San Diego, and Dallas, and get an overview of the ICM Implementation activities in Dallas and San Diego. Transportation practitioners interested in the status of the USDOT’s ICM Initiative and its activities at the Pioneer Sites. 5/10
Integrated Corridor Management: Analysis, Modeling, and Simulation (AMS) Results for the Test Corridor Article in Mass Transit This article was published in the September 2008 issue of Mass Transit. It provides information on the 8 Pioneer Sites chosen in 2006 by the United States Department of Transportation (USDOT) Integrated Corridor Management (ICM) Initiative (the sites are: Dallas, TX, Houston, TX, San Antonio, TX, San Diego, CA, Oakland, CA, Minneapolis, MN, Seattle, WA, and Montgomery County, MD).The article provides an overview of the Analysis, Modeling, and Simulation (AMS) principles and methodology. The article also discusses the validation of the AMS methodology through the application of AMS on the Test Corridor. The article describes the simulation models used in AMS and how these models characterize the corridor. The article discusses the preliminary results from the AMS on the Test Corridor, the preliminary benefits of ICM that were quantified through this phase of the Initiative, and the performance measures used to quantify the benefits of ICM on the Test Corridor. Lastly, the article discusses the three sites chosen for AMS testing (Dallas, TX, San Diego, CA, and Minneapolis, MN) and the next steps for the ICM Initiative. This article can be used to raise awareness about the ICM Initiative, to learn more about the AMS testing methodology and results from the Test Corridor, and to learn about the next steps for the 3 AMS Pioneer Sites. Transportation and public affairs/marketing professionals at all levels (Federal, State and local) seeking to raise awareness in their area or organization about the ICM Initiative’s AMS methodology and Test Corridor results; General public, public officials, and others who would like to learn more about the AMS methodology and Test Corridor results. 9/08
U.S. 75 Dallas, Texas, ICM AMS Analysis Plan This document outlines the various tasks associated with the application of the ICM analysis, modeling, and simulation (AMS) tools and strategies to the U.S. 75 corridor, in support of a benefit-cost assessment of proposed ICM strategies. The report provides a brief description of the corridor and the methodology used for the AMS. It lays out ICM strategies that will be tested and provides a list of the AMS scenarios. The document then defines performance measures that will be utilized in the analysis of the ICM strategies on the corridor and sets out the simulation model validation requirements and the data needs for this calibration. This document can be used as an example framework for an analysis plan for ICM AMS. Transportation professionals involved in or considering conducting ICM AMS. 2/10
U.S. 75 Dallas, Texas, Model Validation and Calibration Report This report presents the model validation and calibration results of the ICM analysis, modeling, and simulation (AMS) for the U.S. 75 Corridor in Dallas, Texas. The U.S. 75 team used the DIRECT traffic model developed by Southern Methodist University as the mesoscopic model for this analysis.The document describes the model validation/calibration approach and shares the results for highway validation/calibration, visual audits, transit validation, route choice, known incident validation, and HOV validation. Users can read this document to learn more about conducting model calibration/validation for ICM AMS. Transportation professionals and modelers interested in learning more about ICM AMS methodology. 2/10
US-75 Integrated Corridor Management: Analysis, Modeling, and Simulation Fact Sheet Dallas Area Rapid Transit (DART) developed this fact sheet to provide a high level overview of the ICM analysis, modeling, and simulation (AMS) methodology implemented for the US-75 Dallas demonstration corridor. The fact sheet also shares the results from the AMS. This document can be used as an example of how to introduce ICM AMS to the public and/or decision-makers. Transportation and public affairs/marketing professionals at all levels seeking to raise awareness in their area or organization about ICM AMS and/or learn more about the Dallas demonstration site. 12/09

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