IMSA WORK-ZONE SAFETY EXAM QUESTIONS
AND VERIFIED ANSWERS LATEST 2025-2026
UPDATE
What person at any work site is in charge of operation and has the final
responsibility for the safety of the workers and the road users - Answer-
Foreman/supervisor
Who does the final and most important responsibility lie to on a work
site - Answer-Foreman/supervisor
Traffic control device is Shelby placed only as authorized by public
agency or the official having jurisdiction for the purpose of regulating
warning or guiding traffic - Answer-
What are the three classifications of signs - Answer-Regulatory,
warning, and Guide signs
What signs are usually white and black in color usually rectangular
shaped - Answer-Regulatory sign
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
, Warning signs can be used in a sequence to give adequate warning by
using three signs along the roadway the driver is given adequate time to
get ready for whatever is ahead distance between signs depends on the
type of roadway and speed - Answer-
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
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
AND VERIFIED ANSWERS LATEST 2025-2026
UPDATE
What person at any work site is in charge of operation and has the final
responsibility for the safety of the workers and the road users - Answer-
Foreman/supervisor
Who does the final and most important responsibility lie to on a work
site - Answer-Foreman/supervisor
Traffic control device is Shelby placed only as authorized by public
agency or the official having jurisdiction for the purpose of regulating
warning or guiding traffic - Answer-
What are the three classifications of signs - Answer-Regulatory,
warning, and Guide signs
What signs are usually white and black in color usually rectangular
shaped - Answer-Regulatory sign
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
, Warning signs can be used in a sequence to give adequate warning by
using three signs along the roadway the driver is given adequate time to
get ready for whatever is ahead distance between signs depends on the
type of roadway and speed - Answer-
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
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
