maintenance

WA-RD 409.1
Authors: 
James F. McManus, Nathalie A. Phillip, John F. Stanton, George M. Turkiyyah.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, May 1, 1996
WA-RD 335.1
Authors: 
Joe P. Mahoney.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Wednesday, February 1, 1995
WA-RD 287.1
Authors: 
Harold C. Sorensen, Francisco Manzo Robledo.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, December 31, 1992
WA-RD 177.1
Authors: 
C.J. Khisty, Don Gripne, Tim Schwab.
Originator: 
Washington State Transportation Center (TRAC); Washington State University. Dept. of Civil and Environmental Engineering.
Publication Date: 
Wednesday, August 31, 1988
WA-RD 062.1
Authors: 
R. Kulkarni, F. Fin, A. Lamot.
Originator: 
Thurston County (Wash.). Dept. of Public Works.
Publication Date: 
Friday, June 1, 1984
WA-RD 495.1
Authors: 
Jon W. Cammermayer, Richard R. Horner, Naomi Chechowitz.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, November 30, 2000
WA-RD 542.2
Authors: 
Rafik Y. Itani, Kenneth J. Fridley, Luke A. Heath.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, October 6, 2001