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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 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
This is where a Flagger should be standing at all times. - ✔✔Shoulder by the fog/edge line.
These two kinds of crashes occur frequently near the taper and channeling devices - ✔✔Fixed Object &
Sideswipe
Stop/Slow retroreflective paddles must be ----- wide, and letters ------ high. - ✔✔18" wide, 6" letters
, Flaggers shall never flag from these (3) main areas. - ✔✔-On/Under a Bridge -On/Under an overpass -In
a vehicle
Retroreflective vests must be visible to this minimum distance. - ✔✔1000 ft
For nighttime flagging, this type of safety vest should be worn. - ✔✔Class 3
35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16) - ✔✔Wind chill formula
The minimum mounting height from the roadway to the bottom of an electric arrow panel. - ✔✔7'
For portable changeable message signs, the message being stated should be visible for at least this
minimum distance. - ✔✔650'
SPF - ✔✔Sun Protection Factor
Sun block SPF 20 will offer this amount of time of sun block. - ✔✔400 minutes (20 X SPF #)
The distance between the flagging station and the work space should never be less than ____ away. -
✔✔50 ft
Warning signs and channelizing devices may be omited where the work space is behind a barrier, more
than 2ft behind the curb, or 15ft from the edge of any roadway - ✔✔2ft - 15ft rule
Duration of work for flagging, this is the type that occupies a location more than 3 days. - ✔✔Long-Term
Stationary
Duration of work for flagging, this is the type that occupies a location more than one daylight period up
to 3 days, or nighttime work lasting more than 1 hour. - ✔✔Intermediate-Term Stationary
Duration of work for flagging, this is the type that occupies a location for more than 1 hour within a
single daylight period. - ✔✔Short-Term Stationary