9/8 THUR 10:45 | Statewide Regional Evacuation Study Program 2
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Transcript of 9/8 THUR 10:45 | Statewide Regional Evacuation Study Program 2
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Evacuation Transportation Modeling and Analysis
Florida APASeptember 8, 2011
Bob Hamm, PEWilbur Smith Associates
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• Satisfy State RequirementsStandardized definitions for clearance times
• Statewide ConsistencyAll RPC regions use same transportation methodology
• Single or Multi-Region AnalysisEach RPC has ability to conduct own analysis
• Model InterfaceAllows users ability to easily create and run evacuation scenarios
Transportation Objectives
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• Cube Voyager PlatformConsistent with FDOT and all MPOs in Florida
• Cube Avenue Dynamic Traffic Assignment
• Model Structure includes:Behavioral Data – provided by SRESP behavioral studiesDemographic Data – provided by RPCsEvacuation Network – provided by RPCsEvacuation Zones – provided by counties based on SLOSH data
Model Structure
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• Statewide Behavioral Studies Studies complete in all RPC regions
• Provides Important Data for Modeling:
Who is evacuating?Where are they going?When are they leaving?
Behavioral Data
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Small Area Data
• Regional Demographic Studies RPC regions developing updated demographics
• Provides Important Data for Modeling:
Where/how many people?Where/how many households?Where/how many vehicles?Where/how many mobile homes?Where/how many hotel/motels?Where/how many shelters/capacity?
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• FDOT Statewide Model NetworkUsed as a starting point – consistent statewide on consistent GIS projection
• Updated with RPC Evacuation Route input
RPCs developing evacuation route data
• Provides Important Data for Modeling:
Roadway locations and number of lanesPreferred evacuation routesTraffic control strategies
Evacuation Network
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• Vulnerability AnalysisEvacuation zones will be developed by counties based on results of SLOSH modeling and easily recognized geographic features (e.g. major roads)
• Provides Important Data for Modeling:
Defines areas that will evacuate (both primary and shadow areas)
Evacuation Zones
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Model Process
• Detailed Methodology is Documented in Volume 8 – Chapter II
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Model Process
Split Trips into Destination
Purposes
Distribute Trips ThroughoutStudy Area
DetermineTime
Segment Trips
EstimateBackground
Traffic
Specify Evacuation
Conditions and Initialize Model
Post Process Model Outputs
DetermineNumber of
Evacuation Trips
Load Tripsonto Highway
Network
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Traffic Evacuation Zones
• Small Area Data
• Behavioral Data
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Roadway Network
• Capacity/Speed
• Number of Lanes
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Citrus
Hernando
SumterLake
Orange
Pasco
Polk
Osceola
Pinellas
Hillsborough
ManateeHardee
Sarasota DeSoto
Charlotte
Geographic Extents of
TBRPC Model
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Demonstration
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