This report was prepared with funds provided by the U.S. Department of Transportation to the Mountain-Plains Consortium. MPC universities include North Dakota State University, Colorado State University (CSU), University of Wyoming, and University of Utah.
The authors appreciate the assistance of Misty Butler, Travis Burgers, and Kathryn Sednick, who all assisted in conducting the research and testing.
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 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.