2024/2025 Traffic Supervisor Exam Questions And Correct Answers

2024/2025 Traffic Supervisor Exam Questions And Correct
Answers
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"


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"


When cones are substituted for drums at nighttime closer, what is the maximum cone spacing?
A. 20'
B. 30'
C. 40'
D. 50' - 40'
Is a shadow vehicle used in all traffic zones?
A. True
B. False - False


The shadow vehicle is occupied whenever workers are in the work area.
A. True
B. False - 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 - 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" - Daytime traffic control minimum height 28"




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


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.


Work zone pavement marking that conflict with final traffic lanes shall be temporary paint.
A. True
B. False - 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 - Lane Change Ahead
&
Watch for Stopped Traffic
&
Road Work Ahead


Is the advisory speed plaque used in all traffic zones?
A. True
B. False - False


When the approach speed limit is 40 mph or less, 36" warning signs may be used.
A. True
B. False - True


Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work
limits.
A. True

, B. False - True


End Road Work signs are only required for lane closures of more than ______ day.
A. 1
B. 2
C. 3
D4-1


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 - True


The minimum acceptable length for the merge taper shall be determined by _________ the
width of the offset by the merge taper rate.
A. Subtracting
B. Adding
C. Divide
D. Multiplying - Multiplying


The tangent (recovery area) section between the two merge tapers should be 2 times longer of
the two merge tapers.
A. True
B. False - True


What is a fundamental principle of temporary traffic control?
A. To inconvenience motorists as much as possible so they will find another route.