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ATTSA TRAFFIC SUPERVISOR CERTIFICATION EXAM 2024 | 2 ACCURATE RECENTLY TESTING VERSIONS WITH A STUDY GUIDE | ACCUARATE AND EXPERT VERIFIED FOR GUARANTEED PASS | LATEST UPDATE$17.89
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ATTSA TRAFFIC SUPERVISOR CERTIFICATION EXAM 2024 | 2 ACCURATE RECENTLY TESTING VERSIONS WITH A STUDY GUIDE | ACCUARATE AND EXPERT VERIFIED FOR GUARANTEED PASS | LATEST UPDATE
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Course
ATTSA TRAFFIC SUPERVISOR CERTIFICATION
Institution
ATTSA TRAFFIC SUPERVISOR CERTIFICATION
ATTSA TRAFFIC SUPERVISOR CERTIFICATION
EXAM 2024 | 2 ACCURATE RECENTLY TESTING
VERSIONS WITH A STUDY GUIDE | ACCUARATE
AND EXPERT VERIFIED FOR GUARANTEED
PASS | LATEST UPDATE
ATTSA TRAFFIC SUPERVISOR CERTIFICATION
EXAM 2024 | 2 ACCURATE RECENTLY TESTING
VERSIONS WITH A STUDY GUIDE | ACCUARATE
AND EXPERT VERIFIED FOR GUARANTEED
PASS | LATEST UPDATE
L=(WS²)/60 for 40MPH or less,
L=WS for 45MPH or more - ✔✔ANSW✔✔..Formula for Min. taper length
The off peak 85th percentile. Which is the speed at or below which 85% of vehicles
travel operating speed in free flow conditions - ✔✔ANSW✔✔..speed used in formulas
should be
125' - ✔✔ANSW✔✔..Distance of L for 25 MPH with 12' Lane width
245' - ✔✔ANSW✔✔..Distance of L for 35 MPH with 12' Lane width
540' - ✔✔ANSW✔✔..Distance of L for 45 MPH with 12' Lane width
660' - ✔✔ANSW✔✔..Distance of L for 55 MPH with 12' Lane width
780' - ✔✔ANSW✔✔..Distance of L for 65 MPH 12' Lane width
L Minimum - ✔✔ANSW✔✔..Merging Taper Length
1/2 L Minimum - ✔✔ANSW✔✔..Shifting Taper Length
1/3 L Minimum - ✔✔ANSW✔✔..Shoulder Taper Length
50'-100' regardless of speed
6 devices 10'-20' apart - ✔✔ANSW✔✔..One-Lane, Two-Way Taper (Flagger taper)
Length and number of devices
50'-100' per lane - ✔✔ANSW✔✔..Downstream taper Length
,2L - ✔✔ANSW✔✔..Tangent distance (between tapers)
1/2L - ✔✔ANSW✔✔..Tangent distance before shifting taper
Buffer Space
Work Space
Traffic Space - ✔✔ANSW✔✔..Activity Area Sub-components (3)
Recovery Area for errant vehicles: Forgiving design
Protects workers and Motorists
Always completely empty or clear
No vehicles, truck-mounted attenuator, equipment, or materials
STRONGLY RECOMMENDED: unless there is a documented reason not to -
✔✔ANSW✔✔..Longitudinal Buffer Space
Where road users are returned to their normal path
extends from the downstream end of the work area to the last device such as end work
zone sign
May contain:
end work zone sign: usually 500' past last device
downstream taper = 50'-100' per lane - ✔✔ANSW✔✔..Termination Area is:
1000', 1500', and 2640' - ✔✔ANSW✔✔..Recommended Advanced Warning Sign
Spaceing: freeways and expressways (3)
1 Mile
50%
shoulder at beginning of taper if possible, if not, as close to beginning as possible inside
taper. - ✔✔ANSW✔✔..Arrow board visibility distance by design:
night time dimming:
location:
,Is a shadow vehicle used in all traffic zones?
A. True
B. False - ✔✔ANSW✔✔..False
The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False - ✔✔ANSW✔✔..False
What class one light is the shadow vehicle equipped with?
A. Flashing Yellow Light
B. Oscillating Yellow Light
C. Yellow Strobe Light
D. All of the above - ✔✔ANSW✔✔..All of the above
When may cones be substituted for drums?
A. Daytime traffic control minimum height 18"
B. Daytime traffic control minimum height 28"
C. Daytime traffic control minimum height 36"
D. Daytime traffic control minimum height 42" - ✔✔ANSW✔✔..Daytime traffic control
minimum height 28"
When may cones be substituted for drums?
A. Daytime traffic control minimum height 18"
B. Daytime traffic control minimum height 28"
C. Daytime traffic control minimum height 36"
D. Daytime traffic control minimum height 42" - ✔✔ANSW✔✔..Daytime traffic control
minimum height 28"
When cones are substituted for drums for nighttime closers, what is the minimum cone
height requirement?
A. 18"
B. 28"
C. 36"
D. 42" - ✔✔ANSW✔✔..42"
When cones are substituted for drums at nighttime closer, what is the maximum cone
spacing?
A. 20'
B. 30'
C. 40'
D. 50' - ✔✔ANSW✔✔..40'
What type of flashing warning lights are required when there is a nighttime lane closer?
A. ROAD WORK AHEAD
B. LANE CLOSED AHEAD
, C. A & B
D. NONE OF THE ABOVE - ✔✔ANSW✔✔..ROAD WORK AHEAD
&
LANE CLOSED AHEAD
If there is a lane closure of greater than three days, what is required?
A. Work zone dotted lines, 4' in length separated by 10' gaps, shall be provided to
identify the merge.
B. The appropriate color work zone edge lines shall be applied along the taper and
tangent sections.
C. All the above
D. None of the above - ✔✔ANSW✔✔..The appropriate color work zone edge lines shall
be applied along the taper and tangent sections.
Work zone pavement marking that conflict with final traffic lanes shall be temporary
paint.
A. True
B. False - ✔✔ANSW✔✔..False
What are the extra advance warning signs?
A. Lane Close Ahead
B. Watch for Stopped Traffic
C. Road Work Ahead
D. All the above - ✔✔ANSW✔✔..Lane Change Ahead
&
Watch for Stopped Traffic
&
Road Work Ahead
Is the advisory speed plaque used in all traffic zones?
A. True
B. False - ✔✔ANSW✔✔..False
When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
B. False - ✔✔ANSW✔✔..True
Road Work Ahead signs shall be provided on entrance ramps or roadways entering the
work limits.
A. True
B. False - ✔✔ANSW✔✔..True
End Road Work signs are only required for lane closures of more than ______ day.
A. 1
B. 2
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