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Contents 1 SUMMARY 4 CHAPTER ONE INTRODUCTION Project Background and Objectives, 4 Study Methodology, 4 Organization of Synthesis, 5 6 CHAPTER TWO THE HISTORY OF TRAVELER INFORMATION Early Real-Time Traveler Information Approaches, 6 The Internet's Impact on Traveler Information, 6 The Impact of 511 on Traveler Information, 7 8 CHAPTER THREE TRAVELER INFORMATION--NEEDS AND EXPECTATIONS OF TRAVELERS Traveler Information Needs, 8 Expectations of Travelers, 10 Special Considerations for Travelers, 12 Summary of Challenges Facing Accessibility to Traveler Information, 13 17 CHAPTER FOUR CURRENT STATUS OF TRAVELER INFORMATION Summary of the Current Status of Traveler Information, 17 Summary of Traveler Information Use, 18 511 Telephone Traveler Information Systems, 18 Public-Operated Traveler Information Websites, 24 Emerging Technologies and Devices, 32 34 CHAPTER FIVE AVAILABLE AND EMERGING DATA SOURCES Current Use of Data Sources and Additional Data Needs, 34 Summary of Current and Future Weather Data Sources, 35 Traffic Data Availability, 36 Event and Incident Data Availability, 37 40 CHAPTER SIX STRATEGIES AND BUSINESS MODELS FOR INFORMATION DELIVERY Challenges Facing Public-Operated Traveler Information Systems, 40 Examples of Cost-Sharing Business Models, 43 Synthesis of Real-Time Traveler Information Delivery Business Model Best Practices, 45 46 CHAPTER SEVEN CONCLUSIONS Summary of Challenges, 46 Suggestions for Future Research, 46 49 REFERENCES 50 APPENDIX A SURVEY FORM 62 APPENDIX Bagencies responding to survey

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