Long-Distance and Rural Travel Transferable Parameters for Statewide Travel Forecasting Models (2012) / Chapter Skim
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From page 128... ...
F-1 This appendix covers the following topics related to each statewide model: • Likely Ranges of Parameter Values -- Describes sources used for model parameters in existing models, those that are transferable and those that are unique to certain states, and describes the rationale (e.g., geography, population density, available transportation modes, proximity to primary tourist destinations, etc.) ; • Age of Models -- Includes information about when the model was developed, base and forecast years available, and current status of the model; • Purposes for Which Models are Applied -- This discussion goes beyond the rationale for statewide models to identify how, when, and why each statewide model is used; and • Frequency of Application -- It is also important to understand how frequently each model is used and updated, and what level of coordination is done to keep the model current with new assumptions found in urban and regional MPO models.
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F-2 Long-distance and Rural Travel Transferable parameters for Statewide Travel Forecasting Models Arizona The Arizona statewide model (SWM) estimates both long-distance (LD)
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Review of Statewide Models F-3 trips are greater than 75 minutes and interurban. The Georgia passenger model estimated 183,000 internal long-distance trips and 235,000 internal-external long-distance trips for a total of 418,000 average daily base year 2006 trips or 1.34 percent of all trips in the model.
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F-4 Long-distance and Rural Travel Transferable parameters for Statewide Travel Forecasting Models Mississippi The Mississippi statewide model operates in a similar manner as the Louisiana statewide model (Wilbur Smith Associates, 2002)
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Review of Statewide Models F-5 Daily Trip File and the 2001 NHTS Long-Distance Trip File, and transit travel characteristics were gathered from various transit authorities. When modeling the trips, the initial focus was on understanding the difference between recurring trips and nonrecurring trips.
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F-6 Long-distance and Rural Travel Transferable parameters for Statewide Travel Forecasting Models State Age of Statewide Model and Assumptions Statewide Model Applications Frequency of Statewide Model Applications and Updates Arizona • 1st generation (2009) • 2nd generation (2011)
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Review of Statewide Models F-7 State Age of Statewide Model and Assumptions Statewide Model Applications Frequency of Statewide Model Applications and Updates Ohio • Final V1 "model" 2003 • Updated to V1.1 2007 • Final V2 model 2009 • V3 anticipated by 2013 • Corridor/bypass studies • Tolling studies • Project design traffic • Project ranking process • Economic impact analysis • Long-range planning • Strategic planning • Freight planning • Grant applications • Air quality conformity • Model is applied on a regular basis • Major updates every 3 to 5 years Oregon • First: 1990 base year model (1999) • 1998 recalibration • Newest: 2000 (2009)
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From page 135... ...
Abbreviations and acronyms used without definitions in TRB publications: AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACI–NA Airports Council International–North America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board PHMSA Pipeline and Hazardous Materials Safety Administration RITA Research and Innovative Technology Administration SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) TCRP Transit Cooperative Research Program TEA-21 Transportation Equity Act for the 21st Century (1998)
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