Acknowledgments

This research was carried out with funds provided by the Mountain-Plains Consortium, the U.S. Department of Transportation, and the Wyoming Department of Transportation. Additional funding was provided by the University of Wyoming.

I express my gratitude and love to my wife, Tamra, and my children Emily, Jacob, Kimberly and Timothy. Without their love and support, I would not have been able to undertake and complete this endeavor.

In addition, I give my thanks and appreciation to Dr. Khaled Ksaibati for his generosity, supervision and guidance throughout this research project. Having this opportunity was an enlightening experience that I shall value throughout my professional career.

The Wyoming Department of Transportation has contributed greatly to this research project, and I express my gratitude and appreciation to Bruce Morgenstern for his exceptional cooperation and assistance. In addition, I thank Floyd Alcon, Rich Lanphear, Wayne Benedict, Robert Gilmore, Pat Martinez, Brad Freeman, Tracy Quinn, Karen McKnight, Steve Narvais, and Scott Neal for their devotion to the completion of the project.

I also thank Dr. Rhonda Young for her guidance and friendship, and her gracious willingness to serve on my graduate committee. Finally, I thank Dr. Richard Anderson-Sprecher and Dr. Jim Kladianos for their selfless devotion to this project, and their willingness to serve on my graduate committee.

Disclaimer

The contents of this report reflect the views of the authors, who are responsible for the facts and the accuracy of the information presented. This document is disseminated under the sponsorship of the U.S. Department of Transportation, University Transportation Centers Program, in the interest of information exchange. The U.S. Government assumes no liability for the contents or use thereof.