Description
Item Description:"May 2011."
"Publication number FHWA-HRT-11-035."
"HRDS-30/05-11(WEB)E"--Page 4 cover.
"Performing organization: Texas Transportation Institute"--Technical report documentation page.
Includes tables.
Physical Description:1 online resource (96 unnumbered pages) : illustrations
Bibliography:Includes bibliographical references (pages 83-84).