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WA-RD 744.3
Authors: 
Alisa Cotter, Stephen T. Muench.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, June 30, 2010
WA-RD 744.1
Authors: 
Stephen T. Muench.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, August 31, 2010
WA-RD 682.2
Authors: 
Joe P. Mahoney, Michael A. Hansen, Newton C. Jackson, Carol A. Hunter, Linda M. Pierce.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, December 16, 2007
WA-RD 682.1
Authors: 
Michael A. Hansen, Joe P. Mahoney, Newton C. Jackson, Carol Hunter, Linda M. Pierce, and George Turkiyyah.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, December 16, 2007
WA-RD 682.3
Authors: 
Newton Jackson.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, November 16, 2008
WA-RD 009.2A
Authors: 
Milan Krukar, John C. Cook.
Originator: 
Washington State University. College of Engineering. Transportation Systems Section.
Publication Date: 
Friday, March 30, 1973