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IMSA Work Zone Practice Questions - IMSA Work Zone Temporary Traffic Control Technician Certification Exam Exam
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Question
1
of 25
QUESTION 1 / 25
Which part of the Manual on Uniform Traffic Control Devices (MUTCD) specifically addresses Temporary Traffic Control?
Choose one answer below.
A
Part 2 — Signs
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B
Part 4 — Highway Traffic Signals
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C
Part 6 — Temporary Traffic Control
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D
Part 8 — Traffic Control for Railroad Crossings
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QUESTION 2 / 25
What is the primary goal of Temporary Traffic Control (TTC) in a work zone?
Choose one answer below.
A
To speed up construction work
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B
To provide for the reasonably safe and efficient movement of road users through or around work zones while protecting workers
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C
To eliminate all traffic from the work area
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D
To generate revenue from traffic fines
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QUESTION 3 / 25
A Temporary Traffic Control Zone (TTCZ) is divided into how many areas?
Choose one answer below.
A
Two
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B
Three
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C
Four
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D
Five
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QUESTION 4 / 25
What is the purpose of the Advance Warning Area in a TTC zone?
Choose one answer below.
A
To store construction equipment
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B
To inform road users of the upcoming work zone and prepare them for changing conditions
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C
To park worker vehicles
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D
To collect traffic data
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QUESTION 5 / 25
What is the function of the Transition Area in a TTC zone?
Choose one answer below.
A
To provide a rest area for workers
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B
To redirect road users from their normal path using tapers and channelizing devices
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C
To display regulatory signs only
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D
To mark the end of the work zone
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QUESTION 6 / 25
What two spaces make up the Activity Area in a TTC zone?
Choose one answer below.
A
Parking space and storage space
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B
Work space and traffic space
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C
Office space and break space
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D
Loading space and unloading space
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QUESTION 7 / 25
What is the purpose of the Termination Area in a TTC zone?
Choose one answer below.
A
To terminate construction contracts
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B
To return road users to their normal travel path after passing through the work zone
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C
To collect tolls
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D
To terminate traffic signals
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QUESTION 8 / 25
What is a Traffic Control Plan (TCP)?
Choose one answer below.
A
A document that lists all traffic violations in the work zone
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B
A plan that describes the TTC measures to be used for managing road users through a work zone
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C
A plan for building a new traffic signal
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D
An insurance document for the construction company
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QUESTION 9 / 25
According to the MUTCD, who is responsible for the TTC on a road project?
Choose one answer below.
A
Only the flaggers
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B
The road users passing through the zone
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C
The agency or contractor with jurisdiction and the qualified person developing the TCP
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D
Only the equipment operators
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QUESTION 10 / 25
What color are temporary traffic control zone signs?
Choose one answer below.
A
Yellow with black legend
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B
White with black legend
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C
Orange with black legend
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D
Green with white legend
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QUESTION 11 / 25
What is the standard shape for most temporary traffic control warning signs?
Choose one answer below.
A
Rectangular
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B
Diamond (square rotated 45 degrees)
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C
Octagonal
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D
Circular
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QUESTION 12 / 25
What is the minimum sign size for ROAD WORK AHEAD (W20-1) signs on conventional roads?
Choose one answer below.
A
24 x 24 inches
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B
36 x 36 inches
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C
48 x 48 inches
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D
60 x 60 inches
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QUESTION 13 / 25
What is a merging taper and how is its length calculated for roads with speeds of 45 mph or greater?
Choose one answer below.
A
L = W × S (width times speed in mph)
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B
L = 10 feet per mph
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C
L = W × S² / 60
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D
L is always 100 feet regardless of speed
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QUESTION 14 / 25
A downstream taper (used in the Termination Area) should be what fraction of the full merging taper length?
Choose one answer below.
A
Full length (L)
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B
One-half (L/2)
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C
One-third (L/3)
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D
One-quarter (L/4)
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QUESTION 15 / 25
What is the purpose of a buffer space in a work zone?
Choose one answer below.
A
To store construction materials
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B
To provide a safety margin between the traffic space and the work space for errant vehicle recovery
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C
To park personal vehicles
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D
To set up food service for workers
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QUESTION 16 / 25
What is the minimum recommended longitudinal buffer space for a work zone on a road with a speed limit of 55 mph?
Choose one answer below.
A
100 feet
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B
250 feet
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C
495 feet
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D
1,000 feet
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QUESTION 17 / 25
Traffic cones used in a TTC zone at night must have what additional feature?
Choose one answer below.
A
They must be painted with luminous paint
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B
They must have retroreflective bands or be illuminated
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C
They must be replaced with barricades
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D
They must be weighted with sand
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QUESTION 18 / 25
What is the minimum height for traffic cones used on roads with speed limits of 45 mph or greater?
Choose one answer below.
A
18 inches
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B
28 inches
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C
36 inches
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D
48 inches
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QUESTION 19 / 25
What type of channelizing device has alternating orange and white retroreflective stripes and is commonly used on freeways?
Choose one answer below.
A
Traffic cone
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B
Channelizing drum (barrel)
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C
Delineator post
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D
Tubular marker
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QUESTION 20 / 25
Type I, Type II, and Type III barricades differ primarily in what characteristic?
Choose one answer below.
A
Color
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B
Height and number of reflectorized rails
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C
Material composition
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D
Weight
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QUESTION 21 / 25
What is the MUTCD requirement for the spacing of channelizing devices on a taper?
Choose one answer below.
A
Equal to the speed limit in feet
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B
Maximum spacing equal to the taper length divided by the number of lanes being closed times the device width
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C
100 feet apart on all tapers
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D
10 feet apart on all tapers
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QUESTION 22 / 25
On the tangent (straight) section of a lane closure, channelizing devices should be spaced at what maximum interval?
Choose one answer below.
A
Equal to the speed limit in feet
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B
Twice the speed limit in feet
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C
50 feet for all speeds
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D
200 feet for all speeds
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QUESTION 23 / 25
What is the purpose of a shadow vehicle with a truck-mounted attenuator (TMA)?
Choose one answer below.
A
To transport workers to the job site
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B
To absorb the impact of an errant vehicle before it reaches the work space and workers
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C
To haul construction materials
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D
To provide shade for workers
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QUESTION 24 / 25
What qualifications must a flagger have according to the MUTCD?
Choose one answer below.
A
No qualifications are required
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B
Must hold a commercial driver's license
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C
Must be trained and certified in flagging procedures per applicable standards
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D
Must be a licensed engineer
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QUESTION 25 / 25
What is the primary device used by flaggers to control traffic?
Choose one answer below.
A
Traffic whistle only
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B
STOP/SLOW paddle
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C
Red flashing light
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D
Orange flag only
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