traffic control

WA-RD 160.1
Authors: 
Anthony Ifie, Jimmie Hinze.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, June 23, 1988
WA-RD 503.1
Authors: 
Jeff S. Uhlmeyer.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Thursday, May 10, 2007
WA-RD 503.2
Authors: 
Jeff S. Uhlmeyer.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, June 1, 2003
M 54-44
Originator: 
Traffic Operations Division
Publication Date: 
Friday, July 1, 1994
WA-RD 579.1
Authors: 
Daniel J. Dailey, Fredrick W. Cathey.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Sunday, November 30, 2003
WA-RD 617.1
Authors: 
Daniel J. Daily, Frederick W. Cathey.
Originator: 
Washington State Transportation Center (TRAC)
Publication Date: 
Wednesday, June 1, 2005