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Expanding MDSS Capabilities: The Evolution to eXtensible Decision Support Systems (X-DSS)

The stakeholder meeting in Falls Church, VA, on August 10-11, 2006, led by Paul Pisano of the Federal Highway Administration, focused on extending the capabilities of the Modular Decision Support System (MDSS) into the eXtensible Decision Support System (X-DSS). The X-DSS aims to leverage core MDSS components for various transportation operations, enhancing support for summer maintenance, traffic management, and construction. This modular approach promises reduced development costs, integration of new stakeholder groups, and applications across diverse scenarios, including weather predictions and roadway maintenance strategies.

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Expanding MDSS Capabilities: The Evolution to eXtensible Decision Support Systems (X-DSS)

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  1. X-DSS Concept:Extending Core Capabilities MDSS Stakeholder Meeting Falls Church, VA August 10-11, 2006 Paul Pisano, Team Leader Road Weather Management Federal Highway Administration Washington, DC

  2. Extending MDSS to X-DSS • The MDSS prototype was envisioned & designed to be modular • Many of the MDSS core components could be utilized in DSS for different transportation operations • This vision of “eXtending” the MDSS core capabilities has been coined as X-DSS or the eXtensible Decision Support System • The extensibility allows the “X” to imply association with different operations

  3. MDSS Modularity Data Fusion & Integration Observations & Models User Interface Customization Algorithms

  4. Introducing X-DSS • Builds upon the core capabilities of the base MDSS (reduces development costs) • Expands this investment to other operations within surface transportation: • Summer Maintenance • Traffic Management • Construction • Will require creation and participation of new stakeholder groups

  5. X-DSS for Summer Maintenance Support for: • Mowing – rain locations, fog/visibility predictions, lightning locations • Lane Striping – rain & temperature forecasts, chances of strong winds • Surface Repairs – fog/visibility forecasts, precipitation timing, lightning location, temperature forecasts • Herbicide Application – pavement & sub surface temperature forecasts, frost prediction, wind speed/gustiness & visibility

  6. X-DSS for Traffic Management Support for: • Non-winter weather events – thunderstorms, route-specific flash flood guidance • Road closure planning based on flooding potential • Tactical information to assist repair crews – radar, lightning location, severe weather potential & timing

  7. X-DSS Applications (1 of 2) • Crack Seal Applications • Chip Seal Applications • Thin Hot Mix Application • Fog Seal Application • Microsurfacing Application • Joint Sealing Portland Cement Pavements • Diamond Grinding of Portland Cement Concrete Pavements

  8. X-DSS Applications (2 of 2) • Dowel-Bar Retrofit for Portland Cement Concrete Pavements • Partial-Depth Repair of Portland Cement • Full-Depth Repair of Portland Cement • Hot In-Place Asphalt Recycling • Cold In-Place Asphalt Recycling • Slurry Seal Application

  9. Future Plans (1 of 2) • During FY 2007 • Hold 2 stakeholder meetings • Summer Maintenance (inclusion of SE States) • Traffic Management • Perform abbreviated requirements gathering following the STWDSR model • Have NCAR design modifications to the core MDSS functions and GUI • Determine if the MDSS business model is reasonable for X-DSS

  10. Future Plans (2 of 2) • Reach out to other public agency personnel while continuing to work with the core stakeholder group • There will continue to be an emphasis on modularity, open systems and building the marketplace

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