ATSSA Traffic Control Supervisor Recertification (missing some basics) comprehensive Q&A for certification success 2026

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ATSSA Traffic Control Supervisor Re-
certification (missing some basics)
comprehensive Q&A for certification
success 2026


L=(WS²)/60 for 40MPH or less,
L=WS for 45MPH or more - correct-answer -Formula for Min. taper length


100' - correct-answer -Recommended Advanced Warning Sign Spaceing: Urban
(low speed)




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)

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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:




A: Low intensity flashing
B: High-intensity flashing
C: Steady Burn
D: 360° steady burn - correct-answer -Warning lights types:
Type A:
Type B:
Type C:
Type D: