statistics

WA-RD 326.1
Authors: 
Stephen J. Markey, Joe P. Mahoney, Robert H. Gietz.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Friday, April 1, 1994
WA-RD 315.2
Authors: 
Joe P. Mahoney, Marc Seferian.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, November 30, 1995
WA-RD 315.1
Authors: 
Joe P. Mahoney.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, January 31, 1994
WA-Rd 154.1
Authors: 
Cy Ulberg.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, April 11, 1988
WA-RD 143.1
Authors: 
Joe P. Mahoney, R. Keith Kay, Newton C. Jackson.
Originator: 
Washington State Transportation Center (TRAC), University of Washington. Dept. of Civil Engineering.
Publication Date: 
Tuesday, March 1, 1988
WA-RD 143.2
Authors: 
Joe P. Mahoney.
Originator: 
Washington State Transportation Center (TRAC), University of Washington. Dept. of Civil Engineering.
Publication Date: 
Monday, February 1, 1988
WA-RD 517.1
Authors: 
Stephen T. Muench, Joe P. Mahoney.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, October 1, 2001
WA-RD 517.2
Authors: 
Kim A. Willoughby, Joe P. Mahoney.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, January 1, 2007
WA-RD 538.1
Authors: 
Kevan Shafizadeh, Fred Mannering, Linda Pierce.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, June 1, 2002