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Flagger Correctly Answered Questions| UpToDate | Already Graded A+
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How long flagger certification is valid ☑: 3 years TTC ☑: Temporary Traffic Control The quality or state of being conspicuous ☑: Conspicuity All signals, marking, and other devices used to regulate, warn, or guide traffic, placed on, over, or adjacent to a street, highway, or bikeway by ...
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