Page | 1
ATSSA TRAFFIC CONTROL SUPERVISOR RE-
CERTIFICATION QUESTIONS AND CORRECT
ANSWERS 2026
Moved outside the clear zone or be shielded by barrier or crash cushion
placed on the shoulder or further from the traveled lane
delineated with retroreflective material in a continuous line - correct answer
- when not in use, where should a PCMS be?
portable changeable message sign
1/2 mile visibility day and night - correct answer - how far should a PCMS
be visible?
Portable changeable message sign
*M*anual for
*A*ssessing
*S*afety
*H*ardware
MASH - correct answer - NCHRP 350 rewritten by AASHTO and is now
an AASHTO document called what?
, Page | 2
Temporary Traffic Barriers - correct answer - Portable devices designed
to prevent penetration by vehicles while minimizing injuries to vehicle
occupants.
Main function: PROTECTION
Secondary function: CHANNELIZATION
if not needed for protection then it *SHALL NOT BE USED*
speed, traffic volume / composition, road classification, deflection space,
roadway alignment, sight distance, other factors. - correct answer -
Barrier selection guidelines based on
Barrier deflection - correct answer - the distance a barrier will displace
when struck
portable concrete barriers - correct answer - less expensive for long-term
projects, easy to maintain, reusable, low deflection. Heavy equipment
needed for installation.
concrete, water-filled, anchored, move-able, mobile, steel - correct answer -
types of temporary traffic barriers
Light in color and supplemented with standard delineation or pavement
markings - correct answer - If Temporary Traffic Barriers are used as
channelizing devices they should be:
ATSSA TRAFFIC CONTROL SUPERVISOR RE-
CERTIFICATION QUESTIONS AND CORRECT
ANSWERS 2026
Moved outside the clear zone or be shielded by barrier or crash cushion
placed on the shoulder or further from the traveled lane
delineated with retroreflective material in a continuous line - correct answer
- when not in use, where should a PCMS be?
portable changeable message sign
1/2 mile visibility day and night - correct answer - how far should a PCMS
be visible?
Portable changeable message sign
*M*anual for
*A*ssessing
*S*afety
*H*ardware
MASH - correct answer - NCHRP 350 rewritten by AASHTO and is now
an AASHTO document called what?
, Page | 2
Temporary Traffic Barriers - correct answer - Portable devices designed
to prevent penetration by vehicles while minimizing injuries to vehicle
occupants.
Main function: PROTECTION
Secondary function: CHANNELIZATION
if not needed for protection then it *SHALL NOT BE USED*
speed, traffic volume / composition, road classification, deflection space,
roadway alignment, sight distance, other factors. - correct answer -
Barrier selection guidelines based on
Barrier deflection - correct answer - the distance a barrier will displace
when struck
portable concrete barriers - correct answer - less expensive for long-term
projects, easy to maintain, reusable, low deflection. Heavy equipment
needed for installation.
concrete, water-filled, anchored, move-able, mobile, steel - correct answer -
types of temporary traffic barriers
Light in color and supplemented with standard delineation or pavement
markings - correct answer - If Temporary Traffic Barriers are used as
channelizing devices they should be:
