traffic monitoring

WA-RD 630.1
Authors: 
Allan Corbeil, Alan Pieramico, Chuck Shipley.
Originator: 
Technology Service Corporation.
Publication Date: 
Monday, September 5, 2005
WA-RD 317.1
Authors: 
Mark E. Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, September 1, 1994
WA-RD 083.1
Authors: 
Stephen G. Ritchie, Mark E. Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Saturday, February 1, 1986
WA-RD 510.1
Authors: 
Jennifer Nee, Mark E. Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Friday, June 1, 2001
WA-RD 501.1
Authors: 
Jennifer Nee, Mark E. Hallenbeck.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, April 1, 2001