traffic accident data

WA-Rd 156.1
Authors: 
G. Scott Rutherford, Mark E. Hallenbeck, Edward McCormack.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, April 27, 1988
WA-RD 048.1
Authors: 
Washington (State). Department of Transportation. Traffic Safety Section.
Originator: 
Washington (State). Department of Transportation. Public Transportation and Planning Division.
Publication Date: 
Friday, May 21, 1982