TRAFFIC SUPERVISOR Exam Questions and
Verified
Correct Answers latest 2026–
2027
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 CORRECT ANSWER All of the above
Is a shadow vehicle used in all traffic zones?
A. True
B. False CORRECT ANSWER False
The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False CORRECT ANSWER False
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" CORRECT 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" CORRECT 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" CORRECT 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' CORRECT 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 CORRECT 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 CORRECT 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 CORRECT 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 CORRECT 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 CORRECT ANSWER False
When the approach speed limit is 40 mph or less, 36" warning signs
may be used.
A. True
B. False CORRECT ANSWER True
Verified
Correct Answers latest 2026–
2027
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 CORRECT ANSWER All of the above
Is a shadow vehicle used in all traffic zones?
A. True
B. False CORRECT ANSWER False
The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False CORRECT ANSWER False
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" CORRECT 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" CORRECT 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" CORRECT 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' CORRECT 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 CORRECT 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 CORRECT 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 CORRECT 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 CORRECT 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 CORRECT ANSWER False
When the approach speed limit is 40 mph or less, 36" warning signs
may be used.
A. True
B. False CORRECT ANSWER True
