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Georgia Department of Transportation

Georgia Department of Transportation. Performance Measures - A Case Study in Progress. Introduction. Vision ITS Deployments Weekly Report Framework User Interface Preview Challenges Questions. Vision.

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Georgia Department of Transportation

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  1. Georgia Department of Transportation Performance Measures - A Case Study in Progress

  2. Introduction • Vision • ITS Deployments • Weekly Report • Framework • User Interface Preview • Challenges • Questions

  3. Vision “The purpose of measuring is not to know how a business is performing but to enable it to perform better.” [I-95 Corridor Coalition] Traceability Outcomes Output

  4. ITS Overview

  5. ITS Overview – TMC

  6. ITS Overview – Field Equipment • 487 CCTV Cameras • 1645 VDS Cameras • 548 Video Processors • 86 Radar Units • 135 Message Signs • 25 Network Hubs • 145 Ramp Meters

  7. Current Performance Measures

  8. Framework Pillar 1 Pillar 2 Pillar 3 Foundation 2 Foundation 1

  9. Framework Foundation Iterative Outcomes Context Output Continual Process Improvement ITS Systems Engineering

  10. Framework Pillar I – Outcomes Construction Price of Gas Iterative • Three Initial Categories • Mobility • Safety • Customer Services • Three Types of Outcomes • Congestion • Incidents • Customer Satisfaction • Many possible variables impact each Outcome

  11. Framework Pillar II – Outputs (Activities) Price of Gas Construction Iterative TMC activities are one of the variables that impact Outcomes Output metrics measure TMC activities Output metrics need to be traceable to Outcomes

  12. Framework Pillar III - Context Construction Price of Gas Iterative Traceability Outcome Metrics have Spatial attributes Outcome Metrics have Temporal attributes Outputs should contain these attributes to support traceability between Outputs and Outcomes Other Contextual Variables should be captured

  13. Framework Iterative Outcomes Context Output Continual Process Improvement ITS Systems Engineering

  14. User Interface Preview Week Ending Friday 3-20-2009 Charts & Gauges Map Temporal Filter xAM Peak, xDay Off Peak, xPM Peak, xNight Off Peak • Index Layer Control • x Travel Time • TTI • Planning Time Index • Congested Hours • # Incidents • Incident Rate • Customer Satisfaction

  15. Challenges • Budget • IT support • Public Perception Data • OTD Data conflict • Upper Management Alignment

  16. Review Vision ITS Deployments Weekly Report Framework User Interface Preview Challenges

  17. Questions Hugh Colton – GDOT hcolton@dot.ga.gov Marcus Wittich – SERCO marcus.wittich@serco-na.com

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