Department of Transportation

WA-RD 838.1
Authors: 
Stephen T. Muench, Eva Martinez Caraballo, Yen Yu Lin.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Friday, January 16, 2015
WA-RD 844.1
Authors: 
Mark E. Hallenbeck, Ed McCormack, Saravanya Sankarakumaraswamy.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, July 1, 2015