Table of Contents

• Chapter 1. Introduction
• Chapter 2. Literature Review
• Chapter 3. Current Practice by Other State DOT Agencies
• Chapter 4. Traffic Flow Parameters in Varying Weather Conditions
  • Data Collection
  • Saturation Flow
  • Speed
  • Start-Up Lost Time
  • Pedestrian Crossing Time
  • Dilemma Zone, Amber and Red Time
• Chapter 5. Discussion
• Chapter 6. Conclusion and Recommendations
• References
• Appendix A DOT Survey Results
• Appendix B Saturation Flow Data
• Appendix C Speed Data

Utah RWIS Traveler Information Evaluation

Dr. Peter T. Martin, Ph.D.
Associate Professor
Civil and Environmental Engineering

Joseph Perrin, Ph.D., P.E., P.T.O.E.
Blake Hansen, MS
Research Associates

Isaac Quintana
Research Assistant

June 2000

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