Description
Item Description:"April 2005."
"Publication no. FHWA-HRT-05-048."
"Performing organization: Battelle Memorial Institute "--Report documentation page.
"HRDS-02/04-05(500)E"--Page 4 of cover.
Physical Description:1 online resource (v, 89 pages) : illustrations
Bibliography:Includes bibliographical references (pages 85-89).