"Publication no. FHWA-RD-98-139."
"February 1999 (page last modified on 03/08/2016)."
"Scheduled update: archive - no update needed."
Includes appendixes.
Final report; Dec. 1997-Dec. 1998.
Description based on online resource; title from HTML caption (FHWA.DOT.gov website, viewed June 11, 2018).