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From page 53... ... 54 APPENDIX B Survey Questionnaire TRANSPORTATION RESEARCH BOARD of the National Academies April 7, 2005 The Transportation Research Board (TRB) is preparing a Synthesis on "Estimating Toll Road Demand and Revenue." This is being done for the National Cooperative Highway Research Program, under the sponsorship of the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration. Read the entire page →
From page 54... ... 55 Estimating Toll Road Demand and Revenue Thank you for participating in our survey on the state of the practice in estimating toll road demand and revenue. Please complete survey by April 22, 2005. Read the entire page →
From page 55... ... 56 Part I Background information I.1 What is your organization's interest and/or mandate in toll road facilities? Read the entire page →
From page 56... ... 57 Source of Financing Currently Used Planned Federal government (all sources) State government Local/county/district government Public–private partnership Private sector Bond financing Other (please explain) Read the entire page →
From page 57... ... 58 Conducts peer reviews or critical reviews Uses the travel demand forecasts to prepare revenue forecasts or conduct a financial analysis Uses the travel demand forecasts to approve or ensure funding Other (please describe) : I.8 If your organization does not prepare its own toll road demand forecasts internally, who provides the forecasts for your use? Read the entire page →
From page 58... ... 59 Location -- state/county/city/town: Description of facility (facilities) -- urban/rural, type, length, number of lanes, cross section (e.g., rural expressway, 35 miles, 6 lanes divided) Read the entire page →
From page 59... ... II.5 Please describe the types of links (tolled and not tolled) in your model's networks. Read the entire page →
From page 60... ... II.9 Please describe the model structure. Please check (✓) Read the entire page →
From page 61... ... 62 All-or-nothing Capacity restraint Other (please describe) : II.14 Please describe the methods used for time choice modeling. Read the entire page →
From page 62... ... 63 Model was updated/enhanced from an existing model that was calibrated for previous toll demand and revenue forecasting studies Model was updated/enhanced from an existing model that was calibrated for other purposes (e.g., LRTP, TIPs, etc.) Existing model was used as is without special adaptations Other (please describe) Read the entire page →
From page 63... ... 64 None/not done (→ please proceed to Part III) Judgment/reality check (e.g., comparison with older forecasts) Read the entire page →
From page 64... ... 65 Other (please explain) Read the entire page →
From page 65... ... 66 III.3 What factors influenced the performance of the forecasts identified in Question III.1? Please check (✓) Read the entire page →
From page 66... ... 67 Improve transparency in the modeling and forecasting processes (so that decision makers are better informed) Improve methods for travel demand forecasting modeling Collect better or more data as the basis for model calibration or to monitor conditions Provide better training for modeling and planning staff Find better ways to tie modeling process to organizational/facility business or financing plan Conduct more risk assessments in forecasts Conduct more critical reviews and audits Other (please describe) Read the entire page →
From page 67... ... 68 Conduct more critical reviews and audits Other (please describe) : III.7 What factors would prevent you from implementing these improvements? Read the entire page →
From page 68... ... 69 Thank you! Please repeat Parts IV and V if you have other models that were used for other applications that you would like to describe Part IV. Read the entire page →
From page 69... ... 70 Policy study Alternatives analysis Investment grade forecast Design forecast Critical review or audit Risk assessment analysis Other (please describe) : IV.3 Please describe the following basic characteristics of your travel demand forecasting model. Read the entire page →
From page 70... ... 71 Vehicles in commercial use (e.g., repair vans, taxis, courier trucks, etc.) Trucks (light and heavy) Read the entire page →
From page 71... ... 72 IV.11 Please describe the trip purposes modeled. Please check (✓) Read the entire page →
From page 72... ... 73 IV.15 Please describe the tolling costs that are modeled. Value of time: [please check (✓) Read the entire page →
From page 73... ... 74 IV.20 What data were used to calibrate or validate your model? Please check (✓) Read the entire page →
From page 74... ... 75 IV.23 Were changes, corrections, or improvements recommended for the model or the forecasts as a result of the verification? Yes (please explain) Read the entire page →
From page 75... ... 76 Ramp-up forecasts versus actual conditions Traffic forecasts overstated by ______% Traffic forecasts understated by _______% Traffic forecasts within 5% Medium-term (5–10 years) forecasts versus actual conditions (if available to the application you are describing) Read the entire page →
From page 76... ... 77 Environmental or economic development considerations Modeling: Model structure Process of expanding modeled time periods to annual forecasts Transparency/opacity in the modeling and forecasting processes Calibration process, coverage, and precision Some modes were not modeled (e.g., trucks) or were not modeled well "Control" over how the model outputs were used, analyzed, or interpreted Operations: Staging of proposed toll facility (or other facilities) Read the entire page →
From page 77... ... 78 Other (please describe) : V.5 What recommendations from previous forecasting applications did this model (for this specific application) Read the entire page →
From page 78... ... 79 Other priorities Other (please describe) : None Are there any other comments that you would like to make, either on topics that have not been addressed earlier or to amplify or clarify what you have already said? Read the entire page →
From page 79... ... 80 Reminder: To support our research, we seek copies of relevant reports: For example, reports and documents that describe your travel demand forecasting model, its calibration, the underlying data upon which the model is based, the tolling forecasts for which it has been used, reviews and audits of the model and/or forecasts, and any other information that you see as being relevant. The survey is now complete. Read the entire page →

From page 53...

... 54 APPENDIX B Survey Questionnaire TRANSPORTATION RESEARCH BOARD of the National Academies April 7, 2005 The Transportation Research Board (TRB) is preparing a Synthesis on "Estimating Toll Road Demand and Revenue." This is being done for the National Cooperative Highway Research Program, under the sponsorship of the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration.