IMSA Workzone Safety Certification Exam||Verified
Exam!!||, International Municipal Signal Association,
2026/2027-Question ATSSA- and MUTCD-Aligned
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Exam!!!
MUTCD - Answer-Manual on Uniform Traffic Control
Devices
What signs are used for permanent insulation or normally
diamond shaped and Shelby yellow and black in color -
Answer-Warning sign
Warning sign spacing is based upon - Answer-Location,
speed, and type of application
In business, commercial, or residential areas the minimum
lateral clearance is ___________from the face of the curb
to the nearest edge of the sign - Answer-2 feet
In rural areas the minimum lateral clearance should
be_______to________ feet from the edge of the roadway
to the nearest edge of the sign - Answer-6 to 12
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In rural areas if a secondary advisory sign is mounted
below another sign the minimum mounting height may
be__________foot less than the primary sign which
results in a minimum vertical clearance of__________ feet
- Answer-1 foot 4 feet
If a sign is on temporary support__________ maybe used
for weighing so that the sign will not blow over.
__________ May also be used for weighting barricades so
that the barricades will not blow over - Answer-
Sandbags..............boath blanks
What should be done to a sign that is not applicable in a
TTC zone until it is relevant again - Answer-Removed or
covered
What is the correct spacing for advanced warning signs in
a urban or rural road type - Answer-100 feet and 500 feet
What is the correct spacing for advanced warning signs on
expressway/freeway Road types - Answer-1,000 feet and
2,640 feet
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Arrow boards that are used for low speed location such as
urban streets that she'll have a minimum size of 48 x 24"
and a minimum legibility distance of 1/2 mile - Answer-
Type A
Arrow boards that are used for high speed, high volume
facilities that have a minimum size of 96" x 48" and a
minimum legibility distance of 1 mile - Answer-Type C
What are the most commonly used temporary traffic
controlled devices that are used for short term lane
closure and tapers They are predominantly orange in color
and shall have a minimum height of 18 inches they shall
be a minimum of 28 inches in height when they are used
on freeways and other high speed highways on all
highways during nighttime or whenever more conspicuous
guidence is needed - Answer-Cones
What markers should have a minimum height of 18 inches
for low speed 28 inches for night or high speed and a
minimum width of 2 inches they shall be predominantly
orange and retroreflective as well - Answer-Tubular
markers
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What may also be used when space is limited that Shall
be 8 to 12 inches in width and at least 24 inches in height
and mounted with the top at least 36 inches above the
roadway they shall have orange and white diagonal stripes
and be retroreflectorized The height of this it's self is 36
inches or greater a panel stripe width of 6 inches Shall be
used - Answer-Vertical panel
What shall have a minimum height of 36 inches and a
minimum diameter of 18 inches each shell have a
minimum of two orange and two white retro reflective
stripes with the top stripe being orange alternating in color
4 to 6 inches wide they shall also have clothes tops -
Answer-Drums
Shall be orange and white and the stripes shall slope
downward at 45 degree angle in the direction road users
are able to pass - Answer-Barricades
What type of barricades are the easiest to transport that
have a minimum height of 36 inches and a minimum
length of 24 inches consist of one 8 to 12 inch rail they are
typically used on low speed low volume streets - Answer-
Type 1 barricades