What documents must I submit for my Washington Traffic Control Supervisor (TCS) certification? To receive your Washington State Traffic Control Supervisor certification card, the following documents must be submitted:

• A current state-approved flagger certification card. Accepted states are Idaho, Montana, Oregon, and Washington.
• Verification of 2000 hours of work zone experience

Verification of 2000 hours of work zone experience must be submitted as follows:

• 2 signed letters (or 1 letter with 2 signatures)

Who can submit the letters? Letters may be submitted by anyone who can verify the knowledge and experience of the TCS candidate, including employers (past and/or present), subcontractors, DOT Inspectors, or other Traffic Control Supervisors.What must the letter(s) include? TCS candidates may no longer have just flagging hours. The letter(s) must include a brief history and detailed description of at least TWO of the following:

• Developing traffic control plans (TCPs) for roadway maintenance, construction, utility work, or special events
• Reviewing TCPs for proper application and MUTCD compliance
• Inspection of traffic control devices and TCP performance, and reporting or correcting deficiencies
• Installing and removing traffic control devices in accordance with TCPs for lane closures on multi-lane roadways and other traffic control operations
• Performing flagger duties

What format must the letter(s) be in? The letter(s) must:

• be typed and on company letterhead. (If letterhead is not available, an attached company business card is acceptable).
• provide contact information for the authors.

To send us your documentation, please fill out this form.