Quality assurance

WA-RD 686.1
Authors: 
Colin J. LaVassar, Joe P. Mahoney, and Kim A. Willoughby.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, February 1, 2009
WA-RD 498.1
Authors: 
Joe P. Mahoney, Andrew W. Backus.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, July 31, 2000
WA-RD 326.1
Authors: 
Stephen J. Markey, Joe P. Mahoney, Robert H. Gietz.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Friday, April 1, 1994
WA-RD 517.2
Authors: 
Kim A. Willoughby, Joe P. Mahoney.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, January 1, 2007