From Washington State Department of Transportation Standard Specifications for Road, Bridge, and Municipal Construction:
Flaggers shall be posted where shown on traffic control plans or where directed by the Engineer. All flaggers shall possess a current flagging card issued by the State of Washington, Oregon, Montana, or Idaho. The flagging card shall be immediately available and shown to the Contracting Agency upon request.”
From Washington Administrative Code (WAC), Part E. Signaling and Flaggers:
“(6) Flagger training. You must make sure that:
(a) Each flagger has in their possession:
– A valid Washington traffic control flagger card; or
– A valid flagger card from a state such as:
— Other states having a flagger training reciprocity agreement with Washington.
(b) The flagger card shows the following:
– Verification that the flagger training required is completed;
– Date the flagger received their flagger training;
– Name of the instructor providing the flagger training;
– Name of the state that issued the flagger card;
– The card’s expiration date, not to exceed 3 years from the date of issuance;
– The flagger’s picture or a statement that says “valid with photo ID.”
(c) Flagger training is based upon the MUTCD.
Personnel that have not completed a flagger-training course may be assigned duties as flaggers only during emergencies. Emergency assignments are temporary and last only until a certified flagger can be put into the position.
Emergency. An unforeseen occurrence endangering life, limb, or property.”
For information about how to receive flagger certification, check out the website below.