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FRONTIER: Demonstration and Evaluation of Intelligent Transportation Systems for the Rural Highway Environment Pooled Fund Study Prepared by Patrick M. Wright, T.E, Senior Research Associate Dr. Xianming Shi, Research Scientist Scott Lee, Research Assistant Western Transportation Institute College of Engineering Montana State University Prepared for the Montana Department of Transportation Idaho Transportation Department Utah Department of Transportation Washington Department of Transportation Oregon Department of Transportation California Department of Transportation Wyoming Department of Transportation Texas Department of Transportation and Federal Highway Administration, United States Department of Transportation May 25, 2005 Frontier Final Report Disclaimer DISCLAIMER The opinions, findings and conclusions expressed in this publication are those of the authors and not necessarily those of the California, Idaho, Montana, Oregon, Texas, Utah, Washington, and Wyoming Departments of Transportation or the U.S. Department of Transportation, Federal Highway Administration. Alternative accessible formats of this document will be provided upon request. Western Transportation Institute Page ii Frontier Final Report Acknowledgements ACKNOWLEDGEMENTS The authors would like to recognize the contributions of the eight departments of transportation involved in this in this research and demonstration project most notably Montana Department of Transportation, Idaho Transportation Department, Utah Department of Transportation, Washington Department of Transportation, Oregon Department of Transportation, California Department of Transportation, Wyoming Department of Transportation, Texas Department of Transportation. This project would not have been possible without the guidance and long-term support of the representatives from these DOTs who participated on the Technical Advisory Committee: Steve Keller, Bob Koberlein, Richard Manser, Bill Legg, Galen McGill, Sean Campbell, Michael Patritch, and Tai Nguyen. The Western Transportation Institute would like to thank additional representatives from Montana Department of Transportation, Ross Tervo, Doug Williams, Duane Williams, Sue Sillick, and Mike Bousilman, for there contractual support. Also, the authors would like to recognize the efforts of the states where deployment took place and individual support including Galen McGill and Robert Fynn in Oregon and Tai Nguyen from Texas. The authors would like to thank Dr. Jodi Carson, WTI/MSU for her assistance in the initial years of this project. Lastly, WTI would like to thank Dr. Robert Bertini, Portland State University and his staff and student for their support with the field evaluation of the Rural Travel Time Estimation project. Western Transportation Institute Page iii Frontier Final Report Table of Contents TABLE OF CONTENTS 1. Executive Summary.................................................................................................................x 1.1. Introduction..................................................................................................................... x 1.1.1. Background............................................................................................................. x 1.1.2. Project Selection Process ........................................................................................ x 1.2. Rural Travel Time Estimation Project ............................................................................ x 1.3. High Water Level Sensor and Warning System ........................................................... xii 1.4. Conclusions................................................................................................................... xii 1.5. Next Steps and Future Research ..................................................................................xiii 2. Introduction............................................................................................................................14 2.1. Project Intent................................................................................................................. 14 2.2. Project Background....................................................................................................... 14 2.3. Project Participants....................................................................................................... 14 2.4. General Methodology................................................................................................... 16 2.5. Report Contents............................................................................................................ 16 3. Review of Previous efforts.....................................................................................................17 3.1. Methodology................................................................................................................. 17 3.2. Findings......................................................................................................................... 17 3.2.1. Summary............................................................................................................... 18 4. Project Selection....................................................................................................................20 4.1. Methodology................................................................................................................. 20 4.1.1. Define Demonstration Project Criteria ................................................................. 20 4.1.2. Demonstration Project Selection Process and Criteria ......................................... 20 4.1.3. Request, Review, and Select Preliminary Proposals for Potential Demonstration22 4.1.4. Request, Review, and Select Final Proposals for Potential Demonstration ......... 23 4.2. Project Selection Results............................................................................................... 23 5. Phase One: Research..............................................................................................................27 5.1. Rural Travel Time Estimation System Research.......................................................... 27 5.1.1. Preliminary Review of Travel Time Estimation Systems..................................... 27 5.1.2. Updated Review of Travel Time Estimation Systems.......................................... 28 5.2. High Water Level Sensor Project ................................................................................. 29 6. Phase Two: Demonstration....................................................................................................30 Western Transportation Institute Page iv Frontier Final Report Table of Contents 6.1. Rural Travel Time Estimation System.......................................................................... 30 6.1.1. Study Corridor...................................................................................................... 30 6.1.2. General System Requirements.............................................................................. 32 6.1.3. System Selection Process and Deployment .......................................................... 36 6.1.4. Solicit, Review and Select System Design and Implementation Contractor........ 36 6.1.5. Oversee System Implementation .......................................................................... 36 6.1.6. System Description ............................................................................................... 36 6.1.7. System Deployment Timeline............................................................................... 38 6.2. High Water Level Sensor Project ................................................................................. 39 6.2.1. Study Corridor...................................................................................................... 39 6.2.2. System Requirements............................................................................................ 40 6.2.3. System Description ............................................................................................... 40 6.2.4. System Deployment Timeline............................................................................... 43 7. Phase Three: Evaluation ........................................................................................................44 7.1. Evaluation Planning Process......................................................................................... 44 7.1.1. Evaluation Objectives........................................................................................... 44 7.1.2. Evaluation Plan..................................................................................................... 44 7.2. Rural Travel Time Estimation System Evaluation ....................................................... 46 7.2.1. Operational History............................................................................................... 46 7.2.2. Initial Analysis of Travel Time Data .................................................................... 46 7.2.3. Sample System Data............................................................................................. 50 7.2.4. Data Results for Link 1, Valley Junction to Otis (westbound)............................. 52 7.2.5. Data Results for Link 2, Valley Junction to Otis (eastbound) .............................. 53 7.2.6. Data Results for Link 3, Otis to Lincoln City (westbound).................................