CORRECT QUESTIONS AND ANSWERS
GRADED A+
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
Duration of work for flagging, this is the type that occupies a location up to 1 hour. -
Short Duration
Duration of work for flagging, this is the type that moves intermittently or
continuously - Mobile
If a driver is going 60mph and needs to make a stop, this is the distance needed to
come to a complete stop - 366 ft.
What height should a staff flagging stop/slow paddle be? - Above eye level
For night flagging, the stop/slow paddle should have ----- width and ------ letters. -
24", 8"
Three MUTCD official hand movements for flagging - Stop, Proceed, Alert/Slow
(2) Document that must be kept on file at each system in reference to traffic control -
-MUTCD part 6 -Local/state publications