"January 2010." Masthead-style sidebar on p. [1] also has date "October 2009." Performed by the University of Iowa, Public Policy Center.
Summary:
The main objectives of this research are to: 1) identify the most critical design input parameters, 2) determine the minimum pavement thickness, and 3) develop new pavement design and sensitivity analysis (PD&SA) software which can provide the most appropriate design thickness for a broad range of pavement conditions.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.