400

WA-RD 499.1
Authors: 
Ken Casavant, Denver Tolliver.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, February 1, 2001
WA-RD 451.1
Authors: 
Tonja L. Koob, Michael E. Barber.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, September 1, 1999
WA-RD 429.1
Authors: 
Matthias S. St. John, Richard R. Horner.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, July 1, 1997
WA-RD 427.1
Authors: 
William F. Cofer, David I. McLean, Yi Zhang.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, May 1, 1997
WA-RD 426.2
Authors: 
Richard Palmer, Catherine Petroff.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, August 1, 1998
WA-RD 426.1
Authors: 
Andrew Wood, Richard Palmer, Catherine Petroff.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, December 1, 1997
WA-RD 421.2
Authors: 
Charles A. Simenstad, Ronald M. Thom, Annette M. Olson.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, March 1, 1997
WA-RD 420.1
Authors: 
Jennifer Nee, Jodi Carson, Bill Legg.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, June 2, 1996
WA-RD 419.1
Authors: 
Richard J. Watts, Samuel E. Dilly, Daniel Haller.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, July 1, 1997
WA-RD 418.1
Authors: 
Michael E. Barber, Shari Schaftlein, Dale Anderson.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, October 2, 1997
WA-RD 417.1
Authors: 
David I. McLean, Carol L. Smith.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, July 1, 1997
WA-RD 416.1
Authors: 
Thomas A. Seliga.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, March 1, 1997
WA-RD 415.1
Authors: 
Amity Trowbridge, Doo Hee Nam, Fred Mannering, Jodi Carson.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, December 1, 1996
WA-RD 411.1
Authors: 
Daniel J. Dailey, Mark P. Haselkorn, Po-Jung Lin.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, September 1, 1996
WA-RD 410.1
Authors: 
Daniel J. Dailey, Patricia Harn, Po-Jung Lin.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, September 1, 1996

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