National Academies Press: OpenBook

Method Selection for Travel Forecasting (2017)

Chapter: Chapter 2 - Getting Started

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Page 4
Suggested Citation:"Chapter 2 - Getting Started." National Academies of Sciences, Engineering, and Medicine. 2017. Method Selection for Travel Forecasting. Washington, DC: The National Academies Press. doi: 10.17226/24929.
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Page 4
Page 5
Suggested Citation:"Chapter 2 - Getting Started." National Academies of Sciences, Engineering, and Medicine. 2017. Method Selection for Travel Forecasting. Washington, DC: The National Academies Press. doi: 10.17226/24929.
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Page 5
Page 6
Suggested Citation:"Chapter 2 - Getting Started." National Academies of Sciences, Engineering, and Medicine. 2017. Method Selection for Travel Forecasting. Washington, DC: The National Academies Press. doi: 10.17226/24929.
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Page 6

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4The travel-forecasting guidance has been implemented in an online software tool (TFGuide). This chapter provides instructions on using the beta version of TFGuide to select travel- forecasting methods for addressing planning programs or projects. A future implementation of the software will allow individual user accounts. Logging In A user connecting to TFGuide through a web browser is presented with a login page (Figure 1). The URL for TFGuide is https://rguide.rsginc.com Anyone can access TFGuide by using the general credentials provided below; however, this account is for demonstration purposes only and the scenarios produced are not guaranteed to be saved since other users will be also testing TFGuide under the same account. A future imple- mentation of the software will allow users to have their own accounts. Username: TFGuide Password: r3c0mm3nd2t10n Home Page After logging in, the user arrives at TFGuide’s home page (Figure 2) and can begin a new method selection session. TFGuide has been designed for ease of use. Users are guided sequentially through five steps to arrive at a menu of recommendations (Step 6). Users can Getting Started C H A P T E R 2 Figure 1. TFGuide login page.

Getting Started 5 and should work through a scenario and then adjust inputs to understand how the menu changes. General Settings TFGuide provides a menu in the upper-left corner of the screen (Figure 3) that allows users to switch between the Scenarios menu and the Reference guide. This menu also allows a user to Sign out (or log off). Figure 2. TFGuide home page. Figure 3. General settings menu.

6 Method Selection for Travel Forecasting: User Guide Users can customize their experiences and the menu of recommendations by specifying the planning region’s size. This is done by selecting Profile. The profile settings (Figure 4) allow the setting of a new time zone and population of the region or state of interest. The population is used to scale costs for selected resources such as household travel surveys. Figure 4. Profile settings.

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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 852: Method Selection for Travel Forecasting presents guidelines for travel-forecasting practitioners to assess the suitability and limitations of their travel-forecasting methods and techniques to address specific policy and planning questions. The report also provides practitioners with the ability to scope model development or improvements so as to attain the desired policy sensitivity within constraints such as institutional, budget, model development time, and resources.

The report is accompanied by a software tool, TFGuide, which illustratively and systematically “guides” the practitioner through the selection of travel-forecasting methods and techniques based on application needs, resource constraints, available data, and existing model structure. NCHRP Web-Only Document 234: Developing a Method Selection Tool for Travel Forecasting documents research efforts and methodology used to produce the report and tool.

Disclaimer - This software is offered as is, without warranty or promise of support of any kind either expressed or implied. Under no circumstance will the National Academy of Sciences, Engineering, and Medicine or the Transportation Research Board (collectively "TRB") be liable for any loss or damage caused by the installation or operation of this product. TRB makes no representation or warranty of any kind, expressed or implied, in fact or in law, including without limitation, the warranty of merchantability or the warranty of fitness for a particular purpose, and shall not in any case be liable for any consequential or special damages.

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