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Exam (elaborations)

Traffic Supervisor Exam Questions with Complete Answers.

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  • Course
  • Traffic Supervisor
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  • Traffic Supervisor

Traffic Supervisor Exam Questions with Complete Answers.Traffic Supervisor Exam Questions with Complete Answers.

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  • September 23, 2024
  • 38
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Traffic Supervisor
  • Traffic Supervisor
avatar-seller
Lectjoe
Traffic Supervisor Exam Questions with Complete
Answers.
Is a shadow vehicle used in all traffic zones?
A. True
B. False - answer False

The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False - answer 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 - answer 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" - answer 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" - answer 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" - answer 42"

When cones are substituted for drums at nighttime closer, what is the maximum
cone spacing?
A. 20'
B. 30'
C. 40'
D. 50' - answer 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 - answer 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 - answer 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 - answer 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 - answer Lane Change Ahead
&
Watch for Stopped Traffic
&
Road Work Ahead

Is the advisory speed plaque used in all traffic zones?
A. True
B. False - answer False

When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
B. False - answer True

Road Work Ahead signs shall be provided on entrance ramps or roadways entering
the work limits.
A. True
B. False - answer True

End Road Work signs are only required for lane closures of more than ______ day.
A. 1
B. 2
C. 3
D 4 - answer 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 - answer 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 - answer 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 - answer 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. - answer 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 - answer 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. -
answer 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 - answer 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 - answer 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 = Wax’s
C. L = W2xS
D. L = (S2x60)/W - answer L = Wax’s

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' - answer 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' - answer 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' - answer 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.
C. Routing traffic onto a temporary roadway.
D. Keeping the inspector's attention off of a mistake. - answer Routing traffic onto a
temporary roadway

Which of the following is NOT an acceptable method of one-lane two-way traffic
control?

A. Flag transfer method
B. Motorist option method
C. Direct flagger communication method
D. Pilot car method - answer Motorist option method

Which of the following is one of the things that should be considered to improve
worker safety?

A. Reducing the speed through work zones.

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