Overview

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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
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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

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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

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QuickZone Analysis Process Little Bras dOr
Bridge Highway 105 Gerard Kennedy, P.Eng Project
Engineer, NS DOTPW

• 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

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Cape Breton Island
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Newfoundland
Boularderie Island
Great Bras dOr (Seal Island) Bridge
Little Bras dOr Bridge
Trans Canada Highway
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Bridge Site
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Little Bras dOr Bridge
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One Lane Traffic During Repairs
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NODES
LINKS
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Work Zone
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QuickZone Analysis
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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
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QuickZone Partnership Program

• Partnership Between the FHWA and State or Local
  DOT
• Takes Advantage of QuickZones 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

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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

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Exercise 1

• Nova Scotia Bridge Deck Replacement Case Study

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Questions