Traffic Supervisor Exam 2..docx

Traffic Supervisor Exam 2.

Is a shadow vehicle used in all traffic zones?
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A. True
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B. False - ANS >> False
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The shadow vehicle is occupied whenever workers are in the work area.
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A. True
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B. False - ANS >> False
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What class one light is the shadow vehicle equipped with?
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A. Flashing Yellow Light
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B. Oscillating Yellow Light
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C. Yellow Strobe Light
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D. All of the above - ANS >> All of the above
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When may cones be substituted for drums?
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A. Daytime traffic control minimum height 18"
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B. Daytime traffic control minimum height 28"
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C. Daytime traffic control minimum height 36"
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D. Daytime traffic control minimum height 42" - ANS >> Daytime traffic control minimum height
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M28"

When may cones be substituted for drums?
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A. Daytime traffic control minimum height 18"
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B. Daytime traffic control minimum height 28"
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C. Daytime traffic control minimum height 36"
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D. Daytime traffic control minimum height 42" - ANS >> Daytime traffic control minimum height
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M28"

,When cones are substituted for drums for nighttime closers, what is the minimum cone height
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requirement?
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A. 18"
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M B. 28"
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C. 36"
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D. 42" - ANS >> 42"
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When cones are substituted for drums at nighttime closer, what is the maximum cone spacing?
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A. 20'
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B. 30'
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C. 40'
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D. 50' - ANS >> 40'
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What type of flashing warning lights are required when there is a nighttime lane closer?
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A. ROAD WORK AHEAD
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B. LANE CLOSED AHEAD
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C. A & B
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D. NONE OF THE ABOVE - ANS >> ROAD WORK AHEAD
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M &

LANE CLOSED AHEADM M




If there is a lane closure of greater than three days, what is required?
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A. Work zone dotted lines, 4' in length separated by 10' gaps, shall be provided to identify the
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Mmerge. M




B. The appropriate color work zone edge lines shall be applied along the taper and tangent
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Msections. M




C. All the above
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D. None of the above - ANS >> The appropriate color work zone edge lines shall be applied along
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Mthe taper and tangent sections.
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Work zone pavement marking that conflict with final traffic lanes shall be temporary paint.
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,A. True
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B. False - ANS >> False
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What are the extra advance warning signs?
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A. Lane Close Ahead
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B. Watch for Stopped Traffic
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C. Road Work Ahead
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D. All the above - ANS >> Lane Change Ahead
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M &

M Watch for Stopped Traffic
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M & M




M Road Work Ahead M M




Is the advisory speed plaque used in all traffic zones?
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A. True
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B. False - ANS >> False
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When the approach speed limit is 40 mph or less, 36" warning signs may be used.
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A. True
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B. False - ANS >> True
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Road Work Ahead signs shall be provided on entrance ramps or roadways entering the work
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Mlimits.

A. True
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B. False - ANS >> True
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End Road Work signs are only required for lane closures of more than ______ day.
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A. 1 M M




B. 2 M M




C. 3 M M




D 4 - ANS >> 1
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, Sign spacing should be adjusted to avoid conflict with existing signs, minimum spacing to existing
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Msigns shall be 200' for speeds of 45 mph or less and a minimum of 400' for speeds 50 mph or
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Mgreater.

A. True
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B. False - ANS >> True
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The minimum acceptable length for the merge taper shall be determined by _________ the width
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Mof the offset by the merge taper rate.
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A. Subtracting
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B. Adding
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C. Divide
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D. Multiplying - ANS >> Multiplying
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The tangent (recovery area) section between the two merge tapers should be 2 times longer of
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Mthe two merge tapers.
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A. True
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B. False - ANS >> True
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What is a fundamental principle of temporary traffic control?
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M A. To inconvenience motorists as much as possible so they will find another route.
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B. To guide and direct motorists through or around the work area as efficiently as possible. C. To
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Mmake traffic move as slow as possible.
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D. All of the above are fundamental principles. - ANS >> To guide and direct motorists through
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or around the work area as efficiently as possible.
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What needs to be done when work is suspended for any length of time?
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M A. Take down the ROAD WORK AHEAD sign
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B. Cover up the END ROAD WORK sign
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C. Erect a WORK SUSPENDED sign
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D. Cover or remove the FLAGGER AHEAD sign - ANS >> Cover or remove the FLAGGER AHEAD sign
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What are the four zones of a work area?
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A. Activity area, pedestrian area, termination area and equipment area.
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