ATSSA TRAFFIC CONTROL SUPERVISOR EXAM SCRIPT 2025/2026
QUESTIONS WITH ANSWERS GRADED A+
✔✔portable concrete barriers - ✔✔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 - ✔✔types of temporary
traffic barriers
✔✔Light in color and supplemented with standard delineation or pavement markings -
✔✔If Temporary Traffic Barriers are used as channelizing devices they should be:
✔✔Appropriately flared or protected with properly installed crash cushions - ✔✔The
blunt end of a barrier is a hazard. *ALL* upstream leading ends shall be:
✔✔20:1 - ✔✔Typical Flare Rates for Barrier Rail - 70 MPH
✔✔18:1 - ✔✔Typical Flare Rates for Barrier Rail - 60 MPH
✔✔Decrease by 2:1 per 5 MPH
stopping at 30 MPH with 8:1 - ✔✔Below 60 MPH Barrier Flare Rates Decrease by
✔✔The exposed end is outside the clear zone - ✔✔Extend Barrier Rail Flare until
✔✔The edge of the *TRAVELED* lane
Typically 30' for High-speed facilities - ✔✔Clear Zone is measured from,
and is how far
✔✔channel
pin and loop (to be phased-out) - ✔✔types of barrier connections
✔✔Stationary non-redirective (inertial) Impact Attenuators - ✔✔Sand barrels are an
example of what?
✔✔Re-direct vehicles that impact them - ✔✔Re-directive Impact Attenuators do what?
✔✔Decelerate the vehicle to a stop - ✔✔stationary non-redirective Impact Attenuators
do what?
✔✔Minimum of 30" - ✔✔Impact Barrels should overlap the fixed object on the traffic
side by:
✔✔Stationing
, 0+00' - ✔✔A conventional way of identifying distances on the plan and on the ground.
Located every hundred feet.
✔✔Cones at least 28" with 2 white retroreflective bands
flaggers properly illuminater
controlled glare
proper apparel (recommended class 3) - ✔✔Nighttime checklist
✔✔60" - ✔✔Proper width for pedestrian pathway:
✔✔provide a 60"x60" passing area for wheelchairs every 200' - ✔✔When it is not
possible to maintain proper pathway width provide what?
✔✔temporary traffic barriers - ✔✔If significant threat of vehicle incursions into
temporary pedestrian pathways _________ should be installed.
✔✔2 or 3 - ✔✔All workers, including emergency responders, within the right-of-way who
are exposed either to
traffic (vehicles using the highway for purposes of travel) or to work vehicles and
construction equipment
within the TTC zone shall wear high-visibility safety apparel that meets the Performance
Class ___ or ___.
✔✔ Planning - ✔✔What stage:
Gather available data
Prior to occupying TTC zone
Consider the needs of all users
Coordinate between adjacent or overlapping projects
✔✔Design - ✔✔What stage:
Select best traffic control alternative
based on: safety, mobility, cost, constructability
✔✔Traffic Factors, characteristics, and speed.
Traffic controls, urban features, and traffic generators - ✔✔What Factors effect the
design of a TTC plan
✔✔Long-term stationary
Intermediate-term stationary
short-term stationary
short-duration
mobile - ✔✔What are the MUTCD categories of Work Duration?
✔✔Occupies location more than 3 days
QUESTIONS WITH ANSWERS GRADED A+
✔✔portable concrete barriers - ✔✔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 - ✔✔types of temporary
traffic barriers
✔✔Light in color and supplemented with standard delineation or pavement markings -
✔✔If Temporary Traffic Barriers are used as channelizing devices they should be:
✔✔Appropriately flared or protected with properly installed crash cushions - ✔✔The
blunt end of a barrier is a hazard. *ALL* upstream leading ends shall be:
✔✔20:1 - ✔✔Typical Flare Rates for Barrier Rail - 70 MPH
✔✔18:1 - ✔✔Typical Flare Rates for Barrier Rail - 60 MPH
✔✔Decrease by 2:1 per 5 MPH
stopping at 30 MPH with 8:1 - ✔✔Below 60 MPH Barrier Flare Rates Decrease by
✔✔The exposed end is outside the clear zone - ✔✔Extend Barrier Rail Flare until
✔✔The edge of the *TRAVELED* lane
Typically 30' for High-speed facilities - ✔✔Clear Zone is measured from,
and is how far
✔✔channel
pin and loop (to be phased-out) - ✔✔types of barrier connections
✔✔Stationary non-redirective (inertial) Impact Attenuators - ✔✔Sand barrels are an
example of what?
✔✔Re-direct vehicles that impact them - ✔✔Re-directive Impact Attenuators do what?
✔✔Decelerate the vehicle to a stop - ✔✔stationary non-redirective Impact Attenuators
do what?
✔✔Minimum of 30" - ✔✔Impact Barrels should overlap the fixed object on the traffic
side by:
✔✔Stationing
, 0+00' - ✔✔A conventional way of identifying distances on the plan and on the ground.
Located every hundred feet.
✔✔Cones at least 28" with 2 white retroreflective bands
flaggers properly illuminater
controlled glare
proper apparel (recommended class 3) - ✔✔Nighttime checklist
✔✔60" - ✔✔Proper width for pedestrian pathway:
✔✔provide a 60"x60" passing area for wheelchairs every 200' - ✔✔When it is not
possible to maintain proper pathway width provide what?
✔✔temporary traffic barriers - ✔✔If significant threat of vehicle incursions into
temporary pedestrian pathways _________ should be installed.
✔✔2 or 3 - ✔✔All workers, including emergency responders, within the right-of-way who
are exposed either to
traffic (vehicles using the highway for purposes of travel) or to work vehicles and
construction equipment
within the TTC zone shall wear high-visibility safety apparel that meets the Performance
Class ___ or ___.
✔✔ Planning - ✔✔What stage:
Gather available data
Prior to occupying TTC zone
Consider the needs of all users
Coordinate between adjacent or overlapping projects
✔✔Design - ✔✔What stage:
Select best traffic control alternative
based on: safety, mobility, cost, constructability
✔✔Traffic Factors, characteristics, and speed.
Traffic controls, urban features, and traffic generators - ✔✔What Factors effect the
design of a TTC plan
✔✔Long-term stationary
Intermediate-term stationary
short-term stationary
short-duration
mobile - ✔✔What are the MUTCD categories of Work Duration?
✔✔Occupies location more than 3 days
