Description
Item Description:Title from title screen (viewed Nov. 16, 2010).
Performed by PSI, Inc. for FHWA Office of Infrastructure Research and Development.
"August 2006."
"Publication number FHWA-HRT-06-103."
"HRDI-06/08-06(300)E"--P. [4] of cover.
Electronic resource.
Physical Description:1 online resource (x, 176 pages) : digital, PDF file
Bibliography:Includes bibliographical references (pages 171-176).