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Flagger Certification Exam Key Concepts Guide
1. How long flagger certification is valid: 3 years
2. TTC: Temporary Traffic Control
3. The quality or state of being conspicuous: Conspicuity
4. 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
5. All 4 work zones must conform to these (4) standards: -MUTCD -Local -State - Comcast
6. (4) Typical Comcast traffic control devices: -Cones -Signs -Vehicle strobe -High visibility gar- ments
7. (5) Principles of traffic control devices: -Fulfill a need -Command attention -Convey a clear, simple meaning -Command respect
from road users -Give adequate time for proper response
8. Score needed to pass the flagger written exam: 80 percent
9. This is where a Flagger should be standing at all times.: Shoulder by the fog/edge line.
10. These two kinds of crashes occur frequently near the taper and channeling devices: Fixed
Object & Sideswipe
11. Stop/Slow retroreflective paddles must be ----- wide, and letters ------ high.: 18" wide, 6" letters
12. Flaggers shall never flag from these (3) main areas.: -On/Under a Bridge -On/Under an overpass -In a
vehicle
13. Retroreflective vests must be visible to this minimum distance.: 1000 ft
14. For nighttime flagging, this type of safety vest should be worn.: Class 3
15. 35.74 + .6215T - 35.75 (V0.16) + .4275T (V0.16): Wind chill formula
16. The minimum mounting height from the roadway to the bottom of an electric
arrow panel.: 7'
17. For portable changeable message signs, the message being stated should be visible for at
least this minimum distance.: 650'
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18. SPF: Sun Protection Factor
19. Sun block SPF 20 will offer this amount of time of sun block.: 400 minutes (20 X SPF #)
20. The distance between the flagging station and the work space should never be
less than away.: 50 ft
21. Warning signs and channelizing devices may be omitted 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
22. Duration of work for flagging, this is the type that occupies a location more than 3 days.:
Long-Term Stationary
23. 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
24. 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
25. Duration of work for flagging, this is the type that occupies a location up to 1 hour.: Short
Duration
26. Duration of work for flagging, this is the type that moves intermittently or continuously:
Mobile
27. 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.
28. What height should a staff flagging stop/slow paddle be?: Above eye level
29. For night flagging, the stop/slow paddle should have ----- width and ------ letters.: 24",
30. Three MUTCD official hand movements for flagging: Stop, Proceed, Alert/Slow
31. (2) Document that must be kept on file at each system in reference to traffic control: -MUTCD
part 6 -Local/state publications
32. Orange Warning sign: Temporary Traffic Control
33. Red Regulatory Sign: Stop or prohibition
34. White or Black signs: Regulation
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55. An area that seperates road users from the work area or an unsafe area: Butter spaces
56. Guideline used for determining following distance in good conditions: The Three to Four Second
Rule
57. (5) Conditions under which extra time should be added to the 3 to 4 second rule: -At night -
When raining -When towing -When conditions are icy or snowing -When being tailgated
58. The (4) areas of a traffic control zone: -Advanced Warning Area -Transition Area -Activity Area
-Termination Area
59. Gives first indication to a road user that there is a potential hazard ahead: -
Advanced Warning Area
60. Where road users are redirected out of their normal path: Transition Area
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61. Location where the work takes place in traffic control zone: Activity Area
62. Used to return road users to their normal path: Termination Area
63. The (3) categories of road signs: -Regulatory -Warning - Guide
64. -Gives notice to road and traffic laws or regulations. These signs impose legal obligations
and/or restrictions on all traffic -Generally rectangular (long vertical) -Black lettering, white background: Regulatory Sign
65. -Gives notice to road users of a situation that might not be readily apparent
-Generally diamond shape (48" X 48") -Temporary signs are orange with black lettering -Permanent signs are yellow with black lettering: Warning Signs
66. -Show route destinations, destinations, directions, distances, services, points of interest,
or other geographical information -Rectangular shape (long hori- zontal) -Temporary signs are orange with black lettering -Permanent signs are green with white lettering: Guide Signs
67. (4) Road Types: -Urban Low Speed (25-30 mph) -Urban High Speed (35-40 mph) -Rural (45-55 mph)
-Expressway/Freeway (55+ mph)
68. The straight away area between the work area and lane of traffic that runs from taper to
taper: Tangent
69. Taper length formula for posted speed 45 MPH or faster: L = WS (L is taper length in feet) (W is width
of lane to be closed or offset) (S is posted speed limit)
70. Taper length formula for posted speed 40 MPH or less: L = WS(squared)/60 (L is taper length in feet)
(W is width of lane to be closed or offset) (S is posted speed limit)
71. Suggested advanced warning sign spacing for Urban(low speed): A 100ft B 100ft C 100ft
72. Suggested advanced warning sign spacing for Urban (high speed): A 350ft B 350ft C 350ft
73. Suggested advanced warning sign spacing for Rural: A 500ft B 500ft C 500ft
74. Suggested advanced warning sign spacing for Freeway/Expressway: A 1000ft B 1500ft C 2640ft
75. Equipment used in a traffic control zone to divert traffic from its normal path:
Channelization Devices
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94. A divided highway with full control of access: Freeway
95. minimum size for construction warning signs: 48" x 48"
96. AFAD: Automated Flagger Assistance Device
97. RTDS: Roadway Traffic Design Standards
98. FHWA: Federal Highway Administration
99. DOT: Department of Transportation
100. TSA: Transportation Safety Administration
101. Passing score for ladder handling written test: 92 %
102. How soon after hire date a field tech must be trained in ladder handling: 90 days
103. (6) Pieces of PPE necessary for ladder handling: -Climbing or work gloves -Body belt and safety strap -
Climbing boots -Safety Hard hat -Safety glasses -FVD
104. Minimum heel height for climbing boots: 3/4 " new, 1/2 " used
105. (5) Steps for ladder handling: -Preparation and inspection -Move the ladder -Ladder setup -As- cending and
descending -Finish the job
106. Step that must be taken before moving ladder at any point: Walk your path
107. (5) Components of a pole inspection: -FVD -Sound test -Prod test -Visual inspection -Rocking test
108. While hammer testing a pole, this range circumferentially should be tested-
: Ground to as high as can be reached
109. Under OSHA standards, bonds between the suspension strand and the existing
ground shall be at least this: No. 6 AWG copper
110. PCB: polychlorinated biphenyls
111. Cancer-causing agent older transformers may contain: PCB (polychlorinated biphenyls)
112. The (2) times during ladder handling when accidents are most likely to occur: -On the way
down -Within 10 feet of the ground
113. Instance when fall protection is necessary: Anytime working near an edge that is 6 feet or more above a lower
surface
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114. (4) situations when OSHA requires the use of a 5-point safety harness: -Bucket trucks -Climbing
towers -Rooftops -Confined Space
115. Definition of low slope roof: A roof having a slope less than or equal to 4:
116. Definition of steep roof: A roof having a slope greater than 4:
117. (3) Types of fall protection for unprotected side or edge: -Guardrail system (toe boards for steep roof) -
Safety net system -Personal fall arrest system
118. Required fall protection for low slope roof less than 50 ft width: Safety monitoring system
119. (4) Required fall protection devices for low slope roof greater than 50 ft width: -Guardrail -
Safety net -Personal fall arrest system -Warning line
120. Minimum height of guardrail: Between 39'' and 45''
121. Minimum height of safety nets below the working environment: 30 ft
122. Distance of safety line from roof edge: 6 ft
123. Person who accompanies workers on roof to warn workers who get to close to the edge: Safety
Monitoring System
124. (4) Components of personal fall arrest system: -Rigged for 6ft free fall max, no contact with lower surface -
Anchor point must support up to 5000 lbs per employee -D-ring attachment will be at back, shoulder level -Must be inspected prior to each use
125. Fall rate for person without arrest system: 4 ft in 1/2 second
126. Technician action when roof damage is found: Leave the roof immediately
127. OSHA standard concerning rooftop safety: 1926.
128. Minimum passing score for pole climbing written test: 92 %
129. Passing score for practical test climb (pole & ladder): Pass / fail
130. (4) Mandatory parts to passing a pole climbing practical exam: -10' Hitchhike -18' climb -Maneuver
around the pole 180 degrees -Trust it and Prove it
131. If attempting to climb higher than 4 ft, one of these 3 fall protection meth- ods are
mandatory: -Double lanyard system -Fixed Cable System -Retractable System
132. OSHA regulation for pole climbing: OSHA 1910-268 Title 29
