United States Department of Transportation
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Designing the All-in-One Vermont Transportation Survey
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2017-09-01
[PDF-3.06 MB]
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Edition:Final Report
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Abstract:This project examined recent survey data from Vermont and travel survey approaches from non-Vermont agencies to develop a set of recommendations for an on-going, coordinated approach to transportation data collection for transportation and planning agencies including the Vermont Agency of Transportation (VTrans) and the Chittenden County Regional Planning Commission (CCRPC), each of which maintains a travel demand forecasting model. Chapter 1 discusses the project objectives. Chapter 2 provides background information regarding recent transportation survey programs, both inside and outside of Vermont, and an overview of the benefits and drawbacks of different survey data retrieval methods. Chapter 3 describes the structure and development of the Question Bank. Appendix A contains the full Question Bank while Appendix B describes the information sources reviewed to select these questions. Chapter 4 describes the 5-year survey program that is recommended based on the research undertaken in this project. Chapter 4 includes eight subsections: 4.1) survey schedule and content; 4.2) recruitment strategy; 4.3) data retrieval method; 4.4) sampling unit; 4.5) sample size; 4.6) estimated survey costs; 4.7) other survey program design factors; and 4.8) technical advantages and limitation of direct or secondary mobile-device data collection. Chapter 5 summarizes possible next steps in advancing implementation of an All-in-One survey program as well as research that would better prepare Vermont for use of new emerging technology-based data collection to fill data needs for modeling travel in Vermont. Technical appendices (Appendix C through F) of the report provide additional documentation of the technical analysis that led to the recommendations in Chapter 4.
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