Flagger Certification Exam Study Guide | 100% Correct Answers | Verified | Latest 2024 Version
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 authority of a public agency having jurisdiction. - Traffic Control Devices All 4 work zones must conform to these (4) standards - -MUTCD -Local -State -Comcast (4) Typical Comcast traffic control devices - -Cones -Signs -Vehicle strobe -High visibility garments (5) Principles of traffic control devices - -Fulfill a need -Command attention -Convey a clear, simple meaning -Command repect from road users -Give adequate time for proper response Score needed to pass the flagger written exam - 80 percent
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