Traffic Supervisor Certification Exam – Complete Set of Questions with Correct Answers

TRAFFIC SUPERVISOR EXAM
QUESTIONS WITH CORRECT ANSWERS




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
B. False - ANSWER-True


End Road Work signs are only required for lane closures of more than ______
day.
A. 1
B. 2
C. 3
D 4 - ANSWER-1


Sign spacing should be adjusted to avoid conflict with existing signs, minimum
spacing to existing signs shall be 200' for speeds of 45 mph or less and a
minimum of 400' for speeds 50 mph or greater.
A. True
B. False - ANSWER-True