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How long flagger certification is valid Correct Ans-3 years
TTC Correct Ans-Temporary Traffic Control
The quality or state of being conspicuous Correct Ans-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.
Correct Ans-Traffic Control Devices
All 4 work zones must conform to these (4) standards Correct Ans--MUTCD -Local -State -
Comcast
(4) Typical Comcast traffic control devices Correct Ans--Cones -Signs -Vehicle strobe -High
visibility garments
(5) Principles of traffic control devices Correct Ans--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 Correct Ans-80 percent
This is where a Flagger should be standing at all times. Correct Ans-Shoulder by the fog/edge
line.
These two kinds of crashes occur frequently near the taper and channeling devices Correct
Ans-Fixed Object & Sideswipe
Stop/Slow retroreflective paddles must be ----- wide, and letters ------ high. Correct Ans-18"
wide, 6" letters
Flaggers shall never flag from these (3) main areas. Correct Ans--On/Under a Bridge -
On/Under an overpass -In a vehicle
Retroreflective vests must be visible to this minimum distance. Correct Ans-1000 ft
For nighttime flagging, this type of safety vest should be worn. Correct Ans-Class 3
35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16) Correct Ans-Wind chill formula
The minimum mounting height from the roadway to the bottom of an electric arrow panel.
Correct Ans-7'
, For portable changeable message signs, the message being stated should be visible for at least
this minimum distance. Correct Ans-650'
SPF Correct Ans-Sun Protection Factor
Sun block SPF 20 will offer this amount of time of sun block. Correct Ans-400 minutes (20 X
SPF #)
The distance between the flagging station and the work space should never be less than ____
away. Correct Ans-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 Correct Ans-2ft
- 15ft rule
Duration of work for flagging, this is the type that occupies a location more than 3 days.
Correct Ans-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. Correct Ans-Intermediate-
Term Stationary