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CONTENTS 1 SUMMARY 7 CHAPTER ONE INTRODUCTION Context, 7 Overview, 7 Organization, 8 Audiences, 8 9 CHAPTER TWO METHOD FOR SURVEY AND LITERATURE REVIEW Overview of Method, 9 Survey of Practice, 9 Sources for Literature Review and Data, 11 12 CHAPTER THREE FREIGHT TRANSPORTATION SURVEYS: STATE OF THE PRACTICE Introduction, 12 Applications, 12 State of the Practice, 18 Survey Costs, 26 Data Availability and Dissemination, 28 Freight Data Requirements, 28 Use of Existing Data Sets, 30 Use of Intelligent Transportation System Technologies, 32 User Assessment of Data, 34 38 CHAPTER FOUR CASE STUDIES Introduction, 38 Roadside/Intercept Surveys, 38 Roadside/Intercept SurveysâSpecific Topics, 39 Focus and Stakeholder Group SurveysâFreight Studies, 41 Focus and Stakeholder Group SurveysâSpecific Topics, 46 Commercial Trip Diary Surveys, 48 Establishment Surveys, 50 Commodity Flow Surveys, 55 Intelligent Transportation Systems Technologies, 56 Comparison of Techniques, 58 62 CHAPTER FIVE SUMMARY AND CONCLUSIONS Summary of Findings, 62 Needs and Gaps Identified by Practitioners and Resultant Recommendations for Research, 63 Needs and Gaps Identified in the Literature and Resultant Recommendations for Research, 65 Other Recommendations for Research, 65 66 REFERENCES 69 BIBLIOGRAPHY 75 GLOSSARY
77 APPENDIX A SURVEY RESPONSE (TABULATION) (web-only document) 172 APPENDIX B SURVEY RESPONDENTS APPENDIX A OF THIS REPORT CAN BE FOUND AT WWW.TRB.ORG, SEARCH ON âNCHRP SYNTHESIS 410.â