Description
Item Description:Text document in PDF format.
Title from PDF title page (viewed on July 18, 2009).
"April 2008. Published: September 2008."
"Report number FHWA/TX-08/0-5821-P2"--Technical report documentation p.
Electronic resource.
Physical Description:x, 91 pages : digital, PDF file (7.21 MB) with illustrations
Format:Mode of access: World Wide Web.
Bibliography:Includes bibliographical references (pages 29-30).