Traffic Supervisor Exam Questions And
Correct Answers
1. Is a shadow vehicle used in all traffic zones?
A. True
B. False: False
2. The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False: False
3. 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: All of the above
4. 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": Daytime traffic control minimum height 28"
,5. When cones are substituted for drums for nighttime closers, what is the minimum cone height
requirement?
A. 18"
B. 28"
C. 36"
D. 42": 42"
6. When cones are substituted for drums at nighttime closer, what is the maximum cone spacing?
A. 20'
B. 30'
C. 40'
D. 50': 40'
7. 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: ROAD WORK AHEAD
&
LANE CLOSED AHEAD
8. 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: The appropriate color work zone edge lines shall be applied along the taper and tangent sections.
9. Work zone pavement marking that conflict with final traffic lanes shall be temporary paint.
A. True
B. False: False
10. What are the extra advance warning signs?
A. Lane Close Ahead
B. Watch for Stopped Traffic
C. Road Work Ahead
D. All the above: Lane Change Ahead &
Watch for Stopped Traffic &
Road Work Ahead
11. Is the advisory speed plaque used in all traffic zones?
A. True
B. False: False
12. When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
, B. False: True
13. Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work limits.
A. True
B. False: True
14. End Road Work signs are only required for lane closures of more than
day.
A. 1
B. 2
C. 3
D 4: 1
Correct Answers
1. Is a shadow vehicle used in all traffic zones?
A. True
B. False: False
2. The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False: False
3. 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: All of the above
4. 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": Daytime traffic control minimum height 28"
,5. When cones are substituted for drums for nighttime closers, what is the minimum cone height
requirement?
A. 18"
B. 28"
C. 36"
D. 42": 42"
6. When cones are substituted for drums at nighttime closer, what is the maximum cone spacing?
A. 20'
B. 30'
C. 40'
D. 50': 40'
7. 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: ROAD WORK AHEAD
&
LANE CLOSED AHEAD
8. 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: The appropriate color work zone edge lines shall be applied along the taper and tangent sections.
9. Work zone pavement marking that conflict with final traffic lanes shall be temporary paint.
A. True
B. False: False
10. What are the extra advance warning signs?
A. Lane Close Ahead
B. Watch for Stopped Traffic
C. Road Work Ahead
D. All the above: Lane Change Ahead &
Watch for Stopped Traffic &
Road Work Ahead
11. Is the advisory speed plaque used in all traffic zones?
A. True
B. False: False
12. When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
, B. False: True
13. Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work limits.
A. True
B. False: True
14. End Road Work signs are only required for lane closures of more than
day.
A. 1
B. 2
C. 3
D 4: 1
