ATSSA Traffic Control
Supervisor Re-certification
(missing some basics) NEWEST
2024 ACTUAL EXAM
QUESTIONS AND CORRECT
DETAILED ANSWERS VERIFIED
ANSWERS ALREADY GRADED A+
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)
temporary traffic barriers - CORRECT ANSWER-If significant
threat of vehicle incursions into temporary pedestrian
pathways _________ should be installed.
L=(WS²60 for 40MPH or less,
L=WS for 45MPH or more - CORRECT ANSWER-Formula for
Min. taper length
The off peak 85th percentile. Which is the speed at or below
which 85% of vehicles travel operating speed in free flow
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