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Traffic Supervisor Exam 2024/2025 Questions & With Correct Answers Already Graded A.
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Traffic Supervisor Exam 2024/2025 Questions & With Correct Answers Already Graded A.
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Traffic SupervisorIs a shadow vehicle used in all traffic zones?
A. True
B. False - ANS False
The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False - ANS 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 - ANS 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" - ANS 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" - ANS 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" - ANS 42"
When cones are substituted for drums at nighttime closer, what is the maximum cone spacing?
A. 20'
B. 30'
C. 40'
D. 50' - ANS 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 - ANS 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 - ANS 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 - ANS 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 - ANS Lane Change Ahead
&
Watch for Stopped Traffic
&
Road Work Ahead
Is the advisory speed plaque used in all traffic zones?
A. True
B. False - ANS False
When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
B. False - ANS True
Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work
limits.
A. True
B. False - ANS True
End Road Work signs are only required for lane closures of more than ______ day.
,A. 1
B. 2
C. 3
D 4 - ANS 1
Sign spacing should be adjusted to avoid conflict with existing signs, minimum spacing to
existing signs shall be 200' for speeds of 45 mph or less and a minimum of 400' for speeds 50
mph or greater.
A. True
B. False - ANS True
The minimum acceptable length for the merge taper shall be determined by _________ the
width of the offset by the merge taper rate.
A. Subtracting
B. Adding
C. Divide
D. Multiplying - ANS Multiplying
The tangent (recovery area) section between the two merge tapers should be 2 times longer of
the two merge tapers.
A. True
B. False - ANS True
What is a fundamental principle of temporary traffic control?
A. To inconvenience motorists as much as possible so they will find another route.
B. To guide and direct motorists through or around the work area as efficiently as possible. C. To
make traffic move as slow as possible.
D. All of the above are fundamental principles. - ANS To guide and direct motorists through or
around the work area as efficiently as possible.
What needs to be done when work is suspended for any length of time?
A. Take down the ROAD WORK AHEAD sign
B. Cover up the END ROAD WORK sign
C. Erect a WORK SUSPENDED sign
D. Cover or remove the FLAGGER AHEAD sign - ANS Cover or remove the FLAGGER AHEAD
sign
What are the four zones of a work area?
A. Activity area, pedestrian area, termination area and equipment area.
B. Advance warning area, transition area, activity area and termination area.
C. Equipment area, termination area, activity area and transition area.
D. Transition area, advanced warning area, pedestrian area and buffer zone. - ANS Advance
warning area, transition area, activity area and termination area.
, Which of the following signs might you see in the advanced warning area?
A. END ROAD WORK
B. YIELD
C. EXIT OPEN
D. LEFT LANE CLOSED AHEAD - ANS LEFT LANE CLOSED AHEAD
Which of the following is NOT a type of taper?
A. Shifting taper
B. Merging taper
C. Aligning taper
D. Downstream taper - ANS Aligning taper
The formula for taper length on expressways with a speed limit of 65mph is which of the
following?
A. L = (WxS2)/60
B. L = WxS
C. L = W2xS
D. L = (S2x60)/W - ANS L = WxS
What would the taper length be when closing a 12' lane on an expressway with a speed limit of
60 mph?
A. 880'
B.780'
C.660'
D. 720' - ANS 720'
What would the taper length be when closing a 14' lane on a road with a speed limit of 35 mph?
A. 235.3'
B. 285.8'
C. 288.5'
D. 490.0' - ANS 285.8'
What would be the taper length when working on a road with 12' lanes and a speed limit of 55
mph and you were using flagger control of traffic?
A. 660'
B. 780'
C. 605'
D. 100' - ANS 100'
Regarding temporary traffic control, what is a diversion?
A. Something to do while waiting for an asphalt truck.
B. Routing traffic onto an existing roadway.
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