incident detection

WA-RD 386.1
Authors: 
Nancy L. Nihan, Morgan Wong.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, June 1, 1995
WA-RD 224.1
Authors: 
Fred L. Mannering, Mark Hallenbeck, Jodi Koehne.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, August 1, 1991
WA-RD 224.2
Authors: 
Fred L. Mannering, Mark Hallenbeck, Jodi Koehne.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Tuesday, December 31, 1991
WA-RD 273.1
Authors: 
Mark E. Hallenbeck, Tim Boyle, Jennene Ring.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, October 1, 1992