Description
Item Description:Text document in PDF format.
Title from PDF title page (viewed on July 20, 2009).
"March 2007. Published: November 2008."
"Report number FHWA/TX-08/0-4986-1"--Technical report documentation p.
Electronic resource.
Physical Description:xi, 82 pages : digital, PDF file (2.57 MB) with color illustrations
Format:Mode of access: World Wide Web.
Bibliography:Includes bibliographical references (pages 51-52).