IMSA WORKZONE QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT !!!
Flagger Positioning & Safety
Question 1 Given that a work zone officially commences at the first advance
warning sign, where is the most appropriate and safe location for a flagger to stand
when directing traffic?
Answer 1 ✔✔ On the shoulder of the road, immediately adjacent to the lane of
traffic being controlled.
Advance Warning Signage
Question 2 On a standard two-lane, two-way rural roadway, what is the required
number of orange and black TTC signs that must be positioned in each direction?
Answer 2 ✔✔ Three signs.
Placement and Spacing Requirements
Question 3 What is the mandated distance for sign spacing when setting up a TTC
zone on a two-lane, two-way rural highway?
Answer 3 ✔✔ 500 feet.
Question 4 When operating on a high-speed urban roadway, what is the specific
distance required between each of the advance warning signs?
Answer 4 ✔✔ 350 feet.
on the left hand side of the highway -ANSWER ✔✔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 -ANSWER
✔✔Taper length refers to:
speed and width of lane closed -ANSWER ✔✔taper length is based on:
equal in feet to the speed limit -ANSWER ✔✔in a taper, the maximum distance
between channelizing devices should be:
traffic should pass to the left -ANSWER ✔✔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 -ANSWER ✔✔at night and/or on high speed roads greater than 45 mph,
cones shall be: __________
at the beginning of the taper -ANSWER ✔✔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 -ANSWER ✔✔What are some factors that should be
considered in formulating a TTC plan?
diversion -ANSWER ✔✔the rerouting of traffic onto a temporary bypass road is
known as a: __________
ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT !!!
Flagger Positioning & Safety
Question 1 Given that a work zone officially commences at the first advance
warning sign, where is the most appropriate and safe location for a flagger to stand
when directing traffic?
Answer 1 ✔✔ On the shoulder of the road, immediately adjacent to the lane of
traffic being controlled.
Advance Warning Signage
Question 2 On a standard two-lane, two-way rural roadway, what is the required
number of orange and black TTC signs that must be positioned in each direction?
Answer 2 ✔✔ Three signs.
Placement and Spacing Requirements
Question 3 What is the mandated distance for sign spacing when setting up a TTC
zone on a two-lane, two-way rural highway?
Answer 3 ✔✔ 500 feet.
Question 4 When operating on a high-speed urban roadway, what is the specific
distance required between each of the advance warning signs?
Answer 4 ✔✔ 350 feet.
on the left hand side of the highway -ANSWER ✔✔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 -ANSWER
✔✔Taper length refers to:
speed and width of lane closed -ANSWER ✔✔taper length is based on:
equal in feet to the speed limit -ANSWER ✔✔in a taper, the maximum distance
between channelizing devices should be:
traffic should pass to the left -ANSWER ✔✔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 -ANSWER ✔✔at night and/or on high speed roads greater than 45 mph,
cones shall be: __________
at the beginning of the taper -ANSWER ✔✔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 -ANSWER ✔✔What are some factors that should be
considered in formulating a TTC plan?
diversion -ANSWER ✔✔the rerouting of traffic onto a temporary bypass road is
known as a: __________
