ATSSA TRAFFIC CONTROL
SUPERVISOR RE-CERTIFICATION
EXAM QUESTIONS WITH CORRECT
ANSWERS 2026/2027 LATEST
Stationary non-redirective (inertial) Impact Attenuators -
✔✔✔ANSWER-Sand barrels are an example of what?
Re-direct vehicles that impact them - ✔✔✔ANSWER-Re-
directive Impact Attenuators do what?
Decelerate the vehicle to a stop - ✔✔✔ANSWER-stationary non-
redirective Impact Attenuators do what?
Page | 1
, Where road users are returned to their normal path extends
from the downstream end of the work area to the last device
such as end work zone sign
May contain:
end work zone sign: usually 500' past last device
downstream taper = 50'-100' per lane - ✔✔✔ANSWER-
Termination Area is:
can contain: (2)
1 00' - ✔✔✔ANSWER-Recommended Advanced Warning Sign
Spaceing: Urban (low speed)
3 50' - ✔✔✔ANSWER-Recommended Advanced Warning Sign
Spaceing: urban (high speed)
500 ' - ✔✔✔ANSWER-Recommended Advanced Warning
Sign Spaceing: Rural
Page | 2
SUPERVISOR RE-CERTIFICATION
EXAM QUESTIONS WITH CORRECT
ANSWERS 2026/2027 LATEST
Stationary non-redirective (inertial) Impact Attenuators -
✔✔✔ANSWER-Sand barrels are an example of what?
Re-direct vehicles that impact them - ✔✔✔ANSWER-Re-
directive Impact Attenuators do what?
Decelerate the vehicle to a stop - ✔✔✔ANSWER-stationary non-
redirective Impact Attenuators do what?
Page | 1
, Where road users are returned to their normal path extends
from the downstream end of the work area to the last device
such as end work zone sign
May contain:
end work zone sign: usually 500' past last device
downstream taper = 50'-100' per lane - ✔✔✔ANSWER-
Termination Area is:
can contain: (2)
1 00' - ✔✔✔ANSWER-Recommended Advanced Warning Sign
Spaceing: Urban (low speed)
3 50' - ✔✔✔ANSWER-Recommended Advanced Warning Sign
Spaceing: urban (high speed)
500 ' - ✔✔✔ANSWER-Recommended Advanced Warning
Sign Spaceing: Rural
Page | 2
