IMSA Workzone Questions and Correct
Answers/ Latest Update / Already Graded
On the shoulder adjacent to traffic being controlled
Ans: The work zone starts at the first advance warning sign;
therefore, where should the flagger stand when directing traffic
in a TTC zone?
three
Ans: How many orange and black TTC signs should there be in
each direction on a 2-way, 2-lane rural roadway?
500 ft.
Ans: What should the sign spacing be on a two -lane, two-way
rural highway?
350 ft
Ans: How many feet apart should the advanced warning signs
be on a high speed urban roadway?
on the left hand side of the highway
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Ans: For additional emphasis on a high speed urban roadway,
signs may be posted: _________
The distance required to safely route traffic from one lane to another
Ans: Taper length refers to:
speed and width of lane closed
Ans: taper length is based on:
equal in feet to the speed limit
Ans: in a taper, the maximum distance between channelizing
devices should be:
traffic should pass to the left
Ans: on a barricade, if the stripes start at the upper right side
and angle down to the lower left side: ________
at least 28" tall and retroreflectorized with at least two white bands
and two orange bands
Ans: at night and/or on high speed roads greater than 45 mph,
cones shall be: __________
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at the beginning of the taper
Ans: one a rural two-lane road, where would you place the
flagger in respect to the beginning of the taper for a closed
lane?
1) Type of work to be done
2) traffic volume
3) traffic speed
4) school bus routes
Ans: What are some factors that should be considered in
formulating a TTC plan?
diversion
Ans: the rerouting of traffic onto a temporary bypass road is
known as a: __________
removed by grinding
Ans: pavement markings no longer needed should be:
routinely
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