Traffic Supervisor Verified Multiple Choice and
Conceptual Actual Frequently Tested Exam
Questions With Reviewed 100% Correct
Detailed Answers
Guaranteed Pass!!Current Update!!
1. Are shadow vehicles required to be used in every traffic control zone,
regardless of conditions?
A. Yes, always required
B. No, they are not used in all traffic zones
2. Should the shadow vehicle remain occupied whenever workers are present in
the work zone?
A. Yes, it must always be occupied
B. No, the shadow vehicle is not occupied at all times
3. Which lighting features must a Class One shadow vehicle be equipped with?
A. Flashing yellow light
B. Oscillating yellow light
C. Yellow strobe light
D. All of the above
4. During daytime operations, when can cones be used in place of drums?
,A. When cones are at least 18 inches tall
B. When cones are at least 28 inches tall
C. When cones are at least 36 inches tall
D. When cones are at least 42 inches tall
5. For nighttime lane closures, what is the minimum required height for cones
used instead of drums?
A. 18 inches
B. 28 inches
C. 36 inches
D. 42 inches
6. When using cones instead of drums at night, what is the maximum spacing
allowed between cones?
A. 20 feet
B. 30 feet
C. 40 feet
D. 50 feet
7. Which signs must include flashing warning lights during nighttime lane
closures?
A. “ROAD WORK AHEAD” and “LANE CLOSED AHEAD”
B. Only “LANE CLOSED AHEAD”
C. Only “ROAD WORK AHEAD”
D. No flashing lights are required
8. For lane closures lasting longer than three days, which measure must be
taken?
,A. Add temporary dotted lines (4 ft with 10 ft gaps) to indicate the merge area
B. Apply the proper color work zone edge lines along taper and tangent
sections
C. Both A and B are required
D. No additional markings are required
9. True or False: Temporary pavement markings that conflict with the final lane
layout should be painted.
A. True
B. False
10. Which of the following are considered additional advance warning signs for
work zones?
A. “Lane Closed Ahead”
B. “Watch for Stopped Traffic”
C. “Road Work Ahead”
D. All of the above
11. Is an advisory speed plaque mandatory in every work zone setup?
A. Yes, always required
B. No, it is not used in all zones
12. When the posted approach speed limit is 40 mph or lower, can smaller (36")
warning signs be used?
A. Yes
B. No
, 13. Should “ROAD WORK AHEAD” signs be placed at the entrances of ramps or
roads leading into a work zone?
A. Yes
B. No
14. At what point is an “END ROAD WORK” sign required in a work zone closure?
A. When the lane closure lasts more than one day
B. When the lane closure lasts two days
C. When the lane closure lasts three days
D. When the lane closure lasts four days
15. When positioning new work zone signs, what is the minimum distance they
should be from existing signs?
A. 200 feet for speeds ≤ 45 mph, and 400 feet for speeds ≥ 50 mph
B. 100 feet for all speeds
C. 300 feet for all speeds
D. No minimum distance is required
16. The correct taper length for a merge should be calculated by:
A. Subtracting the offset width from the taper rate
B. Adding the offset width to the taper rate
C. Dividing the offset width by the taper rate
D. Multiplying the offset width by the taper rate
17. The recovery (tangent) area between two merge tapers should be how long?
A. Twice the length of the longer merge taper
B. Equal to the shorter taper length
Conceptual Actual Frequently Tested Exam
Questions With Reviewed 100% Correct
Detailed Answers
Guaranteed Pass!!Current Update!!
1. Are shadow vehicles required to be used in every traffic control zone,
regardless of conditions?
A. Yes, always required
B. No, they are not used in all traffic zones
2. Should the shadow vehicle remain occupied whenever workers are present in
the work zone?
A. Yes, it must always be occupied
B. No, the shadow vehicle is not occupied at all times
3. Which lighting features must a Class One shadow vehicle be equipped with?
A. Flashing yellow light
B. Oscillating yellow light
C. Yellow strobe light
D. All of the above
4. During daytime operations, when can cones be used in place of drums?
,A. When cones are at least 18 inches tall
B. When cones are at least 28 inches tall
C. When cones are at least 36 inches tall
D. When cones are at least 42 inches tall
5. For nighttime lane closures, what is the minimum required height for cones
used instead of drums?
A. 18 inches
B. 28 inches
C. 36 inches
D. 42 inches
6. When using cones instead of drums at night, what is the maximum spacing
allowed between cones?
A. 20 feet
B. 30 feet
C. 40 feet
D. 50 feet
7. Which signs must include flashing warning lights during nighttime lane
closures?
A. “ROAD WORK AHEAD” and “LANE CLOSED AHEAD”
B. Only “LANE CLOSED AHEAD”
C. Only “ROAD WORK AHEAD”
D. No flashing lights are required
8. For lane closures lasting longer than three days, which measure must be
taken?
,A. Add temporary dotted lines (4 ft with 10 ft gaps) to indicate the merge area
B. Apply the proper color work zone edge lines along taper and tangent
sections
C. Both A and B are required
D. No additional markings are required
9. True or False: Temporary pavement markings that conflict with the final lane
layout should be painted.
A. True
B. False
10. Which of the following are considered additional advance warning signs for
work zones?
A. “Lane Closed Ahead”
B. “Watch for Stopped Traffic”
C. “Road Work Ahead”
D. All of the above
11. Is an advisory speed plaque mandatory in every work zone setup?
A. Yes, always required
B. No, it is not used in all zones
12. When the posted approach speed limit is 40 mph or lower, can smaller (36")
warning signs be used?
A. Yes
B. No
, 13. Should “ROAD WORK AHEAD” signs be placed at the entrances of ramps or
roads leading into a work zone?
A. Yes
B. No
14. At what point is an “END ROAD WORK” sign required in a work zone closure?
A. When the lane closure lasts more than one day
B. When the lane closure lasts two days
C. When the lane closure lasts three days
D. When the lane closure lasts four days
15. When positioning new work zone signs, what is the minimum distance they
should be from existing signs?
A. 200 feet for speeds ≤ 45 mph, and 400 feet for speeds ≥ 50 mph
B. 100 feet for all speeds
C. 300 feet for all speeds
D. No minimum distance is required
16. The correct taper length for a merge should be calculated by:
A. Subtracting the offset width from the taper rate
B. Adding the offset width to the taper rate
C. Dividing the offset width by the taper rate
D. Multiplying the offset width by the taper rate
17. The recovery (tangent) area between two merge tapers should be how long?
A. Twice the length of the longer merge taper
B. Equal to the shorter taper length
