Statewide and Megaregional Travel Forecasting Models: Freight and Passenger (2017) / Chapter Skim
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15 chapter two Rationale foR Statewide Modeling Statewide modeling is undertaken to inform a wide variety of policy analysis, planning, investment, and programming activities. The range of reported uses is described in this chapter.
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16 their representation in statewide models. Freight moving by rail, water, and air are irrelevant in urban models, apart from where they transfer to trucks.
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17 Often, models are developed with specific applications in mind. For example, it was imperative that agricultural flows, which change by season, were represented realistically in Idaho's Statewide Model.
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18 enhancements. Testing the impacts of network additions (i.e., the construction of entirely new roads)
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19 Performance measures that are typically used in conjunction with transportation models commonly include: • Travel time in minutes (vehicle-hours traveled) • Travel delay in minutes (vehicle-hours delay)
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