Application of DYNASMART-X to the Maryland CHART Network for Real-Time Traffic Management Center Decision Support

This paper describes the application of DYNASMART-X, a simulation-based real-time network traffic estimation and prediction system based on dynamic traffic assignment (DTA) methodology, to the CHART network in Maryland. DYNASMART-X is a state-of-the-art real-time DTA system developed through FHWA-supported research to provide a core decision support methodology for TMC’s. The application considers the I-95 corridor network between Washington, D.C. and Baltimore. The focus is on the ability to use real-time surveillance data for traffic management purposes. The CHART network application allows use of the prediction and estimation procedures in conjunction with real time information to consider multiple traffic management strategies and scenarios in real time. This can improve the ability of the traffic management center to respond to unfolding situations, including incidents, congestion and other unexpected events, through provision of traffic information to travelers and deployment of various control measures. The paper describes the development of the CHART network model, and the steps involved in setting it up for TMC application. The capabilities and benefits of the system are illustrated through scenario analysis that considers real time information in the context of multiple alternative management strategies in response to the occurrence of an incident on the main traffic facility. These strategies are evaluated and compared in quasi real-time in terms of their projected impact on traffic conditions in the network and relative effectiveness to support real-time decision-making in response to unplanned disruptions.

• Corporate Authors:

  ITS America

  1100 17th Street, NW, 12th Floor
  Washington, DC  United States  20036
• Authors:
  • Fei, Xiang
  • Eisenman, Sta
  • Mahmassani, Hani S
  • Zhou, Xuesong
• Conference:
  • 12th World Congress on Intelligent Transport Systems
  • Location: San Francisco California, United States
  • Date: 2005-11-6 to 2005-11-10
• Publication Date: 2005

Language

• English

Media Info

• Media Type: Print
• Features: CD-ROM; Figures; References; Tables;
• Pagination: 11p
• Monograph Title: Proceedings of the 12th World Congress on Intelligent Transport Systems

Subject/Index Terms

• TRT Terms: Decision support systems; Dynamic traffic assignment; Management information systems; Methodology; Network analysis; Real time information; Simulation; Surveillance; Traffic assignment; Traffic control
• Identifier Terms: DYNASMART-X (Computer program)
• Geographic Terms: Baltimore (Maryland); Washington Metropolitan Area
• Subject Areas: Highways; Operations and Traffic Management; I71: Traffic Theory;

Filing Info

• Accession Number: 01015845
• Record Type: Publication
• Files: TRIS
• Created Date: Dec 5 2005 3:11PM