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Flagging, and flaggers, are typically used when one lane of a road is closed and traffic must share the remaining lane. Flagging operations must accommodate all vehicles on the road, including non-motorized vehicles. Flaggers, who have completed formal training and have certification in Oregon, Washington, Idaho, or Montana, may practice as a certified flagger in Oregon. Flaggers must also be at least 18.

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Additional Resources

Manual on Uniform Traffic Control Devices U.S. Dept. of Transportation

Oregon Temporary Traffic Control Handbook Oregon Dept. of Transportation



Did you know?

A spotter is not a flagger. A spotter is someone whose sole duty is to provide immediate warning of approaching vehicles, equipment, or other hazards to coworkers.