Traffic Supervisor questions with complete
verified solutions 2025
,Is a shadow vehicle used in all traffic zones?
A. True
B. False - answer False
The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False - answer False
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 - answer All of the above
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" - 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" - 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" - 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' - 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 - 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 - 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 - 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 - 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 - answer False
When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
B. False - answer True
Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work limits.
A. True
verified solutions 2025
,Is a shadow vehicle used in all traffic zones?
A. True
B. False - answer False
The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False - answer False
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 - answer All of the above
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" - 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" - 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" - 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' - 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 - 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 - 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 - 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 - 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 - answer False
When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
B. False - answer True
Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work limits.
A. True
