A traffic control plan is required when:
The City has pre-approved the use of the following traffic control plans issued by WSDOT (Work Zone Traffic Control Guidelines) and the City:
Download the entire set of pre-approved traffic control plans to your desktop (pdf file, size 4MB) or individual traffic control plans can be viewed below.
[Choose a Category]
Short Duration and Very Short Duration
Listing files in 'Traffic Control Plans'
Traffic Control Plans - uploaded on 9/22/2015 6:28 AM
*Times are adjusted to the local time of the organization (GMT -8)
Please contact Development Engineering for more information. We are available Monday through Friday from 8:00 a.m.to 5:00 p.m. We can be reached at (509) 720-5240 or by email.