substructures

WA-RD 382.1
Authors: 
David I. McLean, Thad D. Saunders, Harold H. Hahnenkratt.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, November 30, 1995
WA-RD 449.1
Authors: 
David I. McLean, Scott E. Kuebler, Timothy E. Mealy.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, August 5, 1998
WA-RD 611.1
Authors: 
David G. Hieber, Jonathan M. Wacker, Marc O. Eberhard, John F. Stanton.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, December 1, 2005