Method Selection for Travel Forecasting (2017) / Chapter Skim
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18 Overview A case study is provided to demonstrate how TFGuide can be used by different audiences (transportation planners, travel forecasters, and decision makers)
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Reviewing a Case Study 19 Requirements In Step 2, the transportation planner identifies the requirements and priorities of the program or plan. The best way to complete this step is with the transportation planner and travel forecaster working together to define the details needed to apply a travel-forecasting tool.
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Figure 16. Planning program selection for Major Transit Corridor Study.
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Reviewing a Case Study 21 Second Screen Figure 17. (Continued)
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22 Method Selection for Travel Forecasting: User Guide • The methods should be sensitive to traveler demographic characteristics, highway and transit network supply, and transit operations. • The travel markets are resident passenger and special markets.
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Reviewing a Case Study 23 programs and plans, and test the scored recommendations by adjusting the weights for each element. Following this assessment, the travel forecaster should identify the preferred recommendation and detail the scope, schedule, and budget outlined in TFGuide for this recommendation.
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24 Method Selection for Travel Forecasting: User Guide budget and schedule to compare against the cost and timeline required by the selected methods. Although budget and schedule are identified as constraints, they do not preclude methods that exceed the budget or schedule.
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Reviewing a Case Study 25 cost of the additional resources needed. Description of resources/methods will be displayed when the user hovers over an individual resource or method.
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26 Method Selection for Travel Forecasting: User Guide Figure 19. Constraint settings for major transit corridor study.
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Reviewing a Case Study 27 by score. Some of the recommendations are mutually exclusive (e.g., direct-demand models and pivot-point and incremental models)
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Figure 22. Menu of recommendations for major transit corridor study, weighted by sensitivities.
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Reviewing a Case Study 29 Role of the Decision Maker Decision makers at a transportation agency are the program managers, directors, executive directors, boards, or committees that are responsible for approving the program or plan in the scenario. Decision makers may be different for each program.
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