WSDOT Traffic Control Supervisor (TCS)

Three-day certification course includes presentations, exercises, and references to federal and state highway construction and traffic control standards. Participants receive a comprehensive training manual and supplemental reference materials to assist with on-the-job practical issues and performance standards.

Participants must complete the entire training course and pass the exam with a score of 80% or better to qualify and receive their certification card. Certification is valid for 4 years.

Required prerequisites

In order to receive your Washington Traffic Control Supervisor (TCS) Certification, you must submit documentation verifying that you meet the state requirements as outlined below. If you do not meet the minimum requirements for TCS certification.

1.) A current state-approved flagger certification card. Accepted states are Idaho, Montana, Oregon, and Washington.

2.) 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 letters 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 TCP’s 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

- Letter Format:

• be provided through a company email including contact information.

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