1
ATSSA Traffic Control Supervisor
Recertification Exam 2026-Complete
Questions And Answers
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
, 2
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:
Appropriately flared or protected with properly installed crash cushions - correct-
answer -The blunt end of a barrier is a hazard. *ALL* upstream leading ends shall
be:
20:1 - correct-answer -Typical Flare Rates for Barrier Rail - 70 MPH
18:1 - correct-answer -Typical Flare Rates for Barrier Rail - 60 MPH
ATSSA Traffic Control Supervisor
Recertification Exam 2026-Complete
Questions And Answers
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
, 2
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:
Appropriately flared or protected with properly installed crash cushions - correct-
answer -The blunt end of a barrier is a hazard. *ALL* upstream leading ends shall
be:
20:1 - correct-answer -Typical Flare Rates for Barrier Rail - 70 MPH
18:1 - correct-answer -Typical Flare Rates for Barrier Rail - 60 MPH
