CONTROL EXAM ACTUAL QUESTIONS AND
ANSWERS - LATEST AND COMPLETE UPDATE WITH
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1. A traffic control supervisor observes a work zone where vehicles are
approaching at excessive speed despite warning signs. The best immediate
action is to:
A) Increase the number of workers visible on-site
B) Deploy temporary speed feedback signs and alert law enforcement
C) Move all vehicles and equipment off the roadway
D) Post additional warning signs at the site
*Rationale: Using speed feedback signs combined with law enforcement presence
addresses driver behavior directly and reduces immediate safety risks.
2. According to FDOT standards, the minimum lateral clearance for workers
on a freeway work zone without a barrier is:
A) 6 feet
B) 8 feet
C) 10 feet
D) 12 feet
*Rationale: FDOT specifies 10 feet as the minimum lateral clearance to protect
workers from errant vehicles.
3. Which of the following is a core principle of the Manual on Uniform Traffic
Control Devices (MUTCD) for work zones?
, A) Aesthetic alignment of signs
B) Maximizing traffic throughput at any cost
C) Consistency and predictability for drivers
D) Using static warning devices exclusively
*Rationale: MUTCD emphasizes driver comprehension and predictability to
ensure safety.
4. During nighttime operations, temporary traffic control signs must have:
A) Fluorescent sheeting only
B) Retroreflective sheeting and, if necessary, illumination
C) Flashing lights only
D) No additional requirements
*Rationale: Nighttime visibility requires retroreflective materials and/or
illumination to alert drivers effectively.
5. A lane closure on a multilane urban street requires which taper type for a
moving operation?
A) Longitudinal taper
B) Lane closure taper
C) Shoulder taper
D) Lane merge taper
*Rationale: Lane closure tapers guide vehicles safely into open lanes during active
lane closures.
6. When determining the length of a work zone taper on a highway, the key
factor is:
, A) Width of the road
B) Speed of traffic
C) Number of workers present
D) Weather conditions
*Rationale: Taper length is calculated primarily based on design speed to ensure
vehicles have sufficient distance to safely merge.
7. Which flagger pattern is appropriate for a two-lane, two-way road with
intermittent work?
A) Solo flagger at each end
B) Two-flagger system with a pilot car
C) Hand signals only from workers in the lane
D) No flaggers if signage is present
*Rationale: Two-flagger systems with pilot vehicles enhance safety in alternating
traffic flow conditions.
8. The most effective method to minimize rear-end collisions in work zones is:
A) Increased police presence only
B) Advance warning signs combined with speed control devices
C) Placing workers closer to traffic
D) Removing lane markings
*Rationale: Advance warnings and speed reduction devices alert drivers early,
reducing sudden braking and collisions.
9. During extreme weather, the supervisor notices standing water within a work
zone. The correct immediate action is:
, A) Continue operations with caution
B) Drain the water after work hours
C) Suspend work and implement safety barriers
D) Divert traffic without notifying workers
*Rationale: Safety standards require halting work when conditions create hazards
to workers and drivers.
10.A temporary traffic control plan (TTCP) must always include:
A) Cost estimates for signage
B) Worker schedules
C) Layout of signs, cones, channelizing devices, and flagger positions
D) Duration of project only
*Rationale: A TTCP ensures proper placement of all devices to guide traffic safely.
11.Which device is recommended for delineating the edge of a temporary work
lane?
A) Warning signs only
B) Traffic barrels
C) Channelizing cones or drums with reflective collars
D) Flashing arrows only
*Rationale: Cones and drums provide clear, visible lane delineation for drivers.
12.When conducting a risk assessment for a high-volume freeway closure, the
first step is to:
A) Notify local authorities
B) Identify hazards and potential conflicts with traffic