Questions And Correct Answers
What would the taper length be when closing a 14' lane on a road with a speed limit of
35 mph?
A. 235.3'
B. 285.8'
C. 288.5'
D. 490.0' - ANSWER>>285.8'
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 covering conflicting signs. The contractor must cover with an opaque cover that
covers____.
A. 50% of the sign
,B. 85% of the sign.
C. the entire message.
D. 75% of the sign - ANSWER>>the entire message.
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
The minimum acceptable length for the merge taper shall be determined by _________
the width of the offset by the merge taper rate.
A. Subtracting