seasonal variations

WA-RD 065.2
Authors: 
David E. Newcomb, A. Aziz Bubushait, Joe P. Mahoney, Jay Sharma.
Originator: 
Washington State Transportation Center (TRAC); University of Washington. Dept. of Civil Engineering.
Publication Date: 
Thursday, December 1, 1983
WA-RD 065.1
Authors: 
David E. Newcomb, A. Aziz Bubushait, Joe P. Mahoney, Jay Sharma.
Originator: 
University of Washington, Dept. of Civil Engineering; Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, December 15, 1983