ATSSA Traffic Control Supervisor Re-
Certification Questions and Answers
2026/2027 With 100% Complete
Solutions.
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)
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:
Uses for portable changeable message sign PCMS - CORRECT ANSWER -speed
drops
Certification Questions and Answers
2026/2027 With 100% Complete
Solutions.
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)
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:
Uses for portable changeable message sign PCMS - CORRECT ANSWER -speed
drops