prepared in part by Wilbur Smith Associates, in partnership with SRF Consulting Group, Inc., C.J. Petersen and Associates, and the University of Toledo
by David A. Kuemmel [and others] (Marquette University, Department of Civil & Environmental Engineering) ; pooled fund study for Wisconsin Department of Transportation, Division of Transportation Infrastructure Development, Bureau of Highway Construction, Technology Advancement Unit and Iowa Department of Transportation, Research Management Division and Minnesota Department of Transportation, Office of Materials and Road Research