QUESTIONS AND ANSWERS
How long flagger certification is valid - SOLUTION -3 years
TTC - SOLUTION -Temporary Traffic Control
The quality or state of being conspicuous - SOLUTION -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. -
SOLUTION -Traffic Control Devices
All 4 work zones must conform to these (4) standards - SOLUTION --MUTCD -Local -State -Comcast
(4) Typical Comcast traffic control devices - SOLUTION --Cones -Signs -Vehicle strobe -High visibility
garments
(5) Principles of traffic control devices - SOLUTION --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 - SOLUTION -80 percent
This is where a Flagger should be standing at all times. - SOLUTION -Shoulder by the fog/edge line.
These two kinds of crashes occur frequently near the taper and channeling devices - SOLUTION -
Fixed Object & Sideswipe
Stop/Slow retroreflective paddles must be ----- wide, and letters ------ high. - SOLUTION -18" wide, 6"
letters
Flaggers shall never flag from these (3) main areas. - SOLUTION --On/Under a Bridge -On/Under an
overpass -In a vehicle
Retroreflective vests must be visible to this minimum distance. - SOLUTION -1000 ft
For nighttime flagging, this type of safety vest should be worn. - SOLUTION -Class 3
35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16) - SOLUTION -Wind chill formula
The minimum mounting height from the roadway to the bottom of an electric arrow panel. -
SOLUTION -7'
For portable changeable message signs, the message being stated should be visible for at least this
minimum distance. - SOLUTION -650'
SPF - SOLUTION -Sun Protection Factor
Sun block SPF 20 will offer this amount of time of sun block. - SOLUTION -400 minutes (20 X SPF #)
The distance between the flagging station and the work space should never be less than ____ away. -
SOLUTION -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 - SOLUTION -2ft - 15ft rule
Duration of work for flagging, this is the type that occupies a location more than 3 days. - SOLUTION -
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. - SOLUTION -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. - SOLUTION -Short-Term Stationary
Duration of work for flagging, this is the type that occupies a location up to 1 hour. - SOLUTION -
Short Duration
Duration of work for flagging, this is the type that moves intermittently or continuously - SOLUTION -
Mobile
If a driver is going 60mph and needs to make a stop, this is the distance needed to come to a
complete stop - SOLUTION -366 ft.
What height should a staff flagging stop/slow paddle be? - SOLUTION -Above eye level
For night flagging, the stop/slow paddle should have ----- width and ------ letters. - SOLUTION -24", 8"
Three MUTCD official hand movements for flagging - SOLUTION -Stop, Proceed, Alert/Slow
(2) Document that must be kept on file at each system in reference to traffic control - SOLUTION --
MUTCD part 6 -Local/state publications
Orange Warning sign - SOLUTION -Temporary Traffic Control
Red Regulatory Sign - SOLUTION -Stop or prohibition
White or Black signs - SOLUTION -Regulation
Yellow Warning Sign - SOLUTION -General Warning
Blue Guide Sign - SOLUTION -Motorist Services Guidance
Fluorescent Pink Warning Sign - SOLUTION -Incident Management
Fluorescent Yellow-Green Warning Sign - SOLUTION -Pedestrian/Bicycle/Playground/School Warning
Green Guide Sign - SOLUTION -Movements permitted, direction guidance
Brown Guide Sign - SOLUTION -Recreational and Cultural Interest
For construction zones, what is the last sign to be setup. - SOLUTION -End Road Work
How far away from work space shall the END ROAD WORK be setup? - SOLUTION -500 ft
The purpose of this is to divert traffic from its normal path in order to safely guide motorists around
a work site. - SOLUTION -Channelization
The (5) specific tapers - SOLUTION --Merging -Lane-shift -Shoulder -Two-Way traffic -Downstream