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WA-RD 234.1
Authors: 
Tom H. Roper, Edward H. Henley.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Saturday, June 1, 1991
WA-RD 233.1
Authors: 
George Tsiatas, Richard Fragaszy, Carlton Ho, Karen Kornher.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Monday, May 1, 1989
WA-RD 232.1
Authors: 
Mark Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, May 1, 1991
WA-RD 231.1
Authors: 
Pamela Speers Hayes.
Originator: 
Pamela Speers Hayes.
Publication Date: 
Wednesday, May 1, 1991
WA-RD 229.1
Authors: 
Dennis C. Jackson, Newton C. Jackson, Joe P. Mahoney.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Friday, April 1, 1994
WA-RD 228.1
Authors: 
Harvey L. Coffman, M. Lee Marsh, Colin B. Brown.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, August 1, 1991
WA-RD 227.1
Authors: 
Steven L. Kramer, Peter Sajer.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, December 1, 1991
WA-RD 226.2
Authors: 
Daniel J. O'Neil, Joe P. Mahoney, Newton C. Jackson.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, May 1, 1991
WA-RD 226.1
Authors: 
Daniel J. O'Neil, Joe P. Mahoney, Newton C. Jackson.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, May 1, 1991
WA-RD 225.1
Authors: 
Lisa Tanemura, Fred L. Mannering.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, September 1, 1991

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