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ATSSA TRAFFIC CONTROL SUPERVISOR
RE-CERTIFICATION-ACTUAL QUESTIONs
AND ANSWERS 2026
Recovery Area for errant vehicles: Forgiving design
Protects workers and Motorists
Always completely empty or clear
No vehicles, truck-mounted attenuator, equipment, or materials
STRONGLY RECOMMENDED: unless there is a documented reason not to -
correct-answer -Longitudinal Buffer Space
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 - correct-answer -Termination Area is:
can contain: (2)
100' - correct-answer -Recommended Advanced Warning Sign Spaceing: Urban
(low speed)
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350' - correct-answer -Recommended Advanced Warning Sign Spaceing: urban
(high speed)
500' - correct-answer -Recommended Advanced Warning Sign Spaceing: Rural
1000', 1500', and 2640' - correct-answer -Recommended Advanced Warning Sign
Spaceing: freeways and expressways (3)
1 Mile
50%
shoulder at beginning of taper if possible, if not, as close to beginning as possible
inside taper. - correct-answer -Arrow board visibility distance by design:
night time dimming:
location:
taper: not to exceed distance in feet = to posted speed limit
tangent: distance = double posted speed limit - correct-answer -device spacing
taper:
tangent:
ATSSA TRAFFIC CONTROL SUPERVISOR
RE-CERTIFICATION-ACTUAL QUESTIONs
AND ANSWERS 2026
Recovery Area for errant vehicles: Forgiving design
Protects workers and Motorists
Always completely empty or clear
No vehicles, truck-mounted attenuator, equipment, or materials
STRONGLY RECOMMENDED: unless there is a documented reason not to -
correct-answer -Longitudinal Buffer Space
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 - correct-answer -Termination Area is:
can contain: (2)
100' - correct-answer -Recommended Advanced Warning Sign Spaceing: Urban
(low speed)
, 2|Page
350' - correct-answer -Recommended Advanced Warning Sign Spaceing: urban
(high speed)
500' - correct-answer -Recommended Advanced Warning Sign Spaceing: Rural
1000', 1500', and 2640' - correct-answer -Recommended Advanced Warning Sign
Spaceing: freeways and expressways (3)
1 Mile
50%
shoulder at beginning of taper if possible, if not, as close to beginning as possible
inside taper. - correct-answer -Arrow board visibility distance by design:
night time dimming:
location:
taper: not to exceed distance in feet = to posted speed limit
tangent: distance = double posted speed limit - correct-answer -device spacing
taper:
tangent:
