TRAFFIC SUPERVISOR STUDY GUIDE 2026
COMPREHENSIVE QUESTIONS AND
ANSWERS
◉Which description would best fit regularity signs?
A. They are used to warn motorist of hazard.
B. They are always diamond shaped.
C. They are used to inform motorists of traffic laws.
D. They may be red and white or orange and black.. Answer: They
are used to inform motorists of traffic laws.
◉Who may approve the use of regulatory signs?
A. The project superintendent.
B. The public agency with jurisdiction over the project.
C. The local law enforcement officials.
D. They require no special approval.. Answer: The public agency
with jurisdiction over the project.
,◉What are the two approved sizes for diamond shaped warning
signs?
A. 36" and 54"
B. 28" and 48"
C. 24" and 36"
D. 36" and 48". Answer: 36" and 48"
◉Which description would best fit guide signs?
A. They provide motorists with information to help them through a
work zone.
B. They warn motorists of hazard.
C. They provide information on places of interest.
D. They provide motorists information on the local traffic laws..
Answer: They provide motorists with information to help them
through a work zone.
◉Which of the following best describes the main function of flashing
arrow panels?
A. They pint motorists to the exit ramp.
B. They direct motorists to merge out of a closed lane.
,C. They direct motorists around a detour route.
D. They warn motorist of a hazard.. Answer: They direct motorists to
merge out of a closed lane.
◉How must all channelizing devices with the exception of
barricades and concrete barriers be constructed?
A. So that they do not require any external ballast.
B. To be as sturdy as possible to deflect errant vehicles.
C. So that they perform in a predictable manner when struck by a
vehicle.
D. So they will bounce back into position even if hit with a truck..
Answer: So that they perform in a predictable manner when struck
by a vehicle.
◉Which size of cone is restricted to use on low speed, low volume
roads?
A. 36" cones
B. 48" cones
C. 28" cones
D.18" cones. Answer: 18" cones
, ◉For what reason might you opt to use vertical panels in place of
cones or drums?
A. They are more visible to motorists.
B. They provide a more substantial barrier when separating two
opposing lanes of traffic.
C. They are more suitable when space is restricted.
D. They should never be used in place of cones or drums.. Answer:
They are more suitable when space is restricted.
◉When should concrete barriers be used to create a merging taper
on an expressway?
A. When there is a high volume of truck traffic.
B. When the project will take over two months to complete.
C. When workers are working very close to the road.
D. Concrete barriers should never be used to create a merging taper
on an expressway.. Answer: Concrete barriers should never be used
to create a merging taper on an expressway.
◉Which type of project will require temporary pavement markings?
A. Mobile operations
COMPREHENSIVE QUESTIONS AND
ANSWERS
◉Which description would best fit regularity signs?
A. They are used to warn motorist of hazard.
B. They are always diamond shaped.
C. They are used to inform motorists of traffic laws.
D. They may be red and white or orange and black.. Answer: They
are used to inform motorists of traffic laws.
◉Who may approve the use of regulatory signs?
A. The project superintendent.
B. The public agency with jurisdiction over the project.
C. The local law enforcement officials.
D. They require no special approval.. Answer: The public agency
with jurisdiction over the project.
,◉What are the two approved sizes for diamond shaped warning
signs?
A. 36" and 54"
B. 28" and 48"
C. 24" and 36"
D. 36" and 48". Answer: 36" and 48"
◉Which description would best fit guide signs?
A. They provide motorists with information to help them through a
work zone.
B. They warn motorists of hazard.
C. They provide information on places of interest.
D. They provide motorists information on the local traffic laws..
Answer: They provide motorists with information to help them
through a work zone.
◉Which of the following best describes the main function of flashing
arrow panels?
A. They pint motorists to the exit ramp.
B. They direct motorists to merge out of a closed lane.
,C. They direct motorists around a detour route.
D. They warn motorist of a hazard.. Answer: They direct motorists to
merge out of a closed lane.
◉How must all channelizing devices with the exception of
barricades and concrete barriers be constructed?
A. So that they do not require any external ballast.
B. To be as sturdy as possible to deflect errant vehicles.
C. So that they perform in a predictable manner when struck by a
vehicle.
D. So they will bounce back into position even if hit with a truck..
Answer: So that they perform in a predictable manner when struck
by a vehicle.
◉Which size of cone is restricted to use on low speed, low volume
roads?
A. 36" cones
B. 48" cones
C. 28" cones
D.18" cones. Answer: 18" cones
, ◉For what reason might you opt to use vertical panels in place of
cones or drums?
A. They are more visible to motorists.
B. They provide a more substantial barrier when separating two
opposing lanes of traffic.
C. They are more suitable when space is restricted.
D. They should never be used in place of cones or drums.. Answer:
They are more suitable when space is restricted.
◉When should concrete barriers be used to create a merging taper
on an expressway?
A. When there is a high volume of truck traffic.
B. When the project will take over two months to complete.
C. When workers are working very close to the road.
D. Concrete barriers should never be used to create a merging taper
on an expressway.. Answer: Concrete barriers should never be used
to create a merging taper on an expressway.
◉Which type of project will require temporary pavement markings?
A. Mobile operations
