200

WA-RD 252.1
Authors: 
David L. Swearingen, Newton C. Jackson, Keith W. Anderson.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Saturday, February 1, 1992
WA-RD 251.1
Authors: 
Cy Ulberg, Graciela Etchart, Bethany Whitaker.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, July 1, 1992
WA-RD 250.1
Authors: 
Mary C. Ossinger, James A. Schafer, Ronald F. Cihon.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Sunday, September 1, 1991
WA-RD 249.1
Authors: 
Howard D. Copp.
Originator: 
Washington State University. Dept. of Civil and Environmental Engineering.
Publication Date: 
Saturday, November 30, 1991
WA-RD 248.1
Authors: 
Tom Roper, Edward H. Henley.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Tuesday, December 31, 1991
WA-RD 247.1
Authors: 
William Bowlby, Thomas O'Grady, R. Clay Patton, Lloyd A. Herman.
Originator: 
Vanderbilt Engineering Center for Transportation.
Publication Date: 
Sunday, September 1, 1991
WA-RD 246.1
Authors: 
Hosin Lee, Pam Clover.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, November 30, 1991
WA-RD 245.1
Authors: 
Tom H. Roper, Edward H. Henley.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Saturday, November 30, 1991
WA-RD 243.1
Authors: 
Tom H. Roper, Edward H. Henley.
Originator: 
Washington (State). Dept. of Transportation.
Publication Date: 
Tuesday, October 1, 1991
WA-RD 242.2
Authors: 
Kenneth L. Casavant.
Originator: 
Washington State University. Dept. of Agricultural Economics.
Publication Date: 
Sunday, September 1, 1991

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