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QuickZone — A Work Zone Delay Estimation and Analysis Tool

QuickZone — A Work Zone Delay Estimation and Analysis Tool. Matthew H. Hardy Senior Transportation Engineer Mitretek Systems James J. Larkin Senior Transportation Engineer Mitretek Systems Karl E. Wunderlich, Ph. D. Senior Principal Analyst Mitretek Systems. What is QuickZone?.

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QuickZone — A Work Zone Delay Estimation and Analysis Tool

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  1. QuickZone — A Work Zone Delay Estimation and Analysis Tool Matthew H. Hardy Senior Transportation Engineer Mitretek Systems James J. Larkin Senior Transportation Engineer Mitretek Systems Karl E. Wunderlich, Ph. D. Senior Principal Analyst Mitretek Systems

  2. What is QuickZone? • Work Zone Delay Impact Analysis Tool • FHWA-sponsored • Developed by Mitretek Systems • Available for purchase at McTrans ($200) • Microsoft Excel-based Application • Open Source Code for the Ability to Customize • Targeted at State and Local Traffic Construction Staff, Operations and Planning, and Construction Contractors

  3. QuickZone Capabilities • Quantifies corridor delay resulting from capacity decreases in work zones • Identifies delay impacts of alternative construction phasing plans • Supports Trade-Off Analyses between construction costs and delay costs • Considers Alternate Phasing Schedules: • Location along mainline • Time-of-day (peak vs. off-peak) • Season (summer vs. winter) • Assesses Impacts of Delay Mitigation Strategies: • E.g., Variable message sign deployments • Signal retiming on detour routes

  4. QuickZone Analysis Process Little Bras d’Or Bridge Highway 105 Gerard Kennedy, P.Eng Project Engineer, NS DOT&PW • Key bridge under repair • Capacity limited because of two-way, single lane operations • Work coincided with peak of travel season • Significant community concern about delays

  5. Cape Breton Island

  6. Newfoundland Boularderie Island Great Bras d’Or (Seal Island) Bridge Little Bras d’Or Bridge Trans Canada Highway

  7. Bridge Site

  8. Little Bras d’Or Bridge

  9. One Lane Traffic During Repairs

  10. NODES LINKS 6 1 5 1 2 3 4 2 Inbound 3 4 Work Zone

  11. QuickZone Analysis

  12. Mainline Detour Exurban Freeway ApplicationKnoxville, TN QuickZone Network I-140 Cedar Bluff Harden Valley Road Lovell Road N. Campbell Station Parkside I-40/I-75 Work Zone US-70

  13. QuickZone Partnership Program • Partnership Between the FHWA and State or Local DOT • Takes Advantage of QuickZone’s Open Source Code • Designed to: • Further Improve the Software • Provide State and Local DOT with a Tool that Best Meets their Needs • Current Partners • Wisconsin DOT • Washington DOT • Utah DOT • Maryland SHA • Pennsylvania DOT • Ohio DOT • North Carolina DOT

  14. How Can QuickZone be Customized? • State-specific queue-length estimation • Additional mitigation strategies • More detailed detour route volume assessment • Custom capacity reduction for work zones • Different calculations for user delay, queue estimation or cost analysis • Ability to import networks from other transportation modeling and simulation packages

  15. Exercise #1 • Nova Scotia Bridge Deck Replacement Case Study

  16. 5 8 4 6 7 7 18 12 6 17 11 5 3 16 4 10 3 15 1 2 1 9 2 13 14 8

  17. 5 8 4 6 7 7 10 18 12 5 12 9 6 11 6 17 7 11 5 3 16 4 10 3 15 1 2 1 9 2 13 14 8

  18. Questions

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