CO Traffic Control Contractor Exam
Practice Questions And Correct
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Rationale 2027 Q&A| Instant
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1. Under current Colorado requirements, which combination of
standards should a traffic control contractor primarily use when
developing and implementing temporary traffic control on a public
highway project beginning in 2026?
A. Only the Colorado Revised Statutes and the contractor's internal safety
manual
B. The 11th Edition MUTCD, the Colorado Supplement, applicable CDOT
standards/specifications, and project-specific traffic control documents
C. Only the 2009 MUTCD and the contractor's approved traffic control
drawings
D. Only local municipal traffic ordinances, regardless of the highway
agency involved
B
The 11th Edition MUTCD and Colorado Supplement became effective for
new transportation projects, designs, and maintenance operations in
,Colorado on January 18, 2026, and must be applied together with
applicable CDOT and project requirements.
2. What is the fundamental objective of a Temporary Traffic Control
(TTC) plan on a Colorado construction project?
A. To eliminate all inconvenience to motorists regardless of project cost
B. To maximize the contractor's production rate while minimizing flagger
requirements
C. To provide for the safe and efficient movement of road users through or
around a work area while protecting workers and minimizing disruption
D. To permit the contractor to determine traffic control requirements
after construction begins
C
A TTC plan establishes the measures necessary to facilitate road users
through a work zone or incident area while addressing safety and
traffic-flow needs.
3. A contractor is preparing a TTC plan for a roadway with high traffic
volumes, a nearby interchange, pedestrians, bicyclists, heavy trucks,
and limited sight distance. Which approach is most appropriate?
A. Use the same TTC arrangement used on every project because
standard applications do not need modification
B. Consider roadway geometry, traffic volumes, road-user types, speeds,
intersections, interchange characteristics, and work activities before
selecting the TTC arrangement
,C. Design the work zone exclusively around construction equipment
access
D. Eliminate pedestrian accommodations whenever vehicular traffic
volumes are high
B
MUTCD guidance recognizes that each TTC zone is different and requires
consideration of roadway characteristics, traffic, road-user mix, speeds,
and work conditions when selecting appropriate controls.
4. Which person has primary responsibility for designing, setting up,
and maintaining temporary traffic control on a CDOT construction
project when functioning as the Traffic Control Supervisor?
A. The project estimator
B. The equipment operator
C. The Traffic Control Supervisor
D. The concrete testing technician
C
CDOT identifies the Traffic Control Supervisor as the person responsible
for designing, setting up, and maintaining temporary traffic control in
the work zone.
5. Under CDOT's Traffic Control Supervisor program, what certification
status is required for a Traffic Control Supervisor performing the
applicable duties on a CDOT project?
, A. The person must be certified as a worksite traffic supervisor by an
authorized entity and have current flagger certification from an
authorized entity
B. The person only needs a commercial driver's license
C. The person only needs OSHA-10 training
D. The person only needs to complete the contractor's internal
orientation
A
CDOT Specification 630.11 requires the Traffic Control Supervisor to be
certified as a worksite traffic supervisor by an authorized entity and to
maintain current flagger certification.
6. A contractor is using an old traffic control plan based solely on the
2009 MUTCD for a new Colorado transportation project starting
after January 18, 2026. What is the most appropriate action?
A. Continue using it because the 2009 MUTCD remains the controlling
national standard
B. Use the old plan only if traffic volumes are below 10,000 vehicles per
day
C. Review and update the plan to comply with the applicable 11th Edition
MUTCD and Colorado Supplement requirements
D. Replace the traffic control plan with a verbal instruction from the
foreman
C
Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2027 Q&A| Instant
Download Pdf.
1. Under current Colorado requirements, which combination of
standards should a traffic control contractor primarily use when
developing and implementing temporary traffic control on a public
highway project beginning in 2026?
A. Only the Colorado Revised Statutes and the contractor's internal safety
manual
B. The 11th Edition MUTCD, the Colorado Supplement, applicable CDOT
standards/specifications, and project-specific traffic control documents
C. Only the 2009 MUTCD and the contractor's approved traffic control
drawings
D. Only local municipal traffic ordinances, regardless of the highway
agency involved
B
The 11th Edition MUTCD and Colorado Supplement became effective for
new transportation projects, designs, and maintenance operations in
,Colorado on January 18, 2026, and must be applied together with
applicable CDOT and project requirements.
2. What is the fundamental objective of a Temporary Traffic Control
(TTC) plan on a Colorado construction project?
A. To eliminate all inconvenience to motorists regardless of project cost
B. To maximize the contractor's production rate while minimizing flagger
requirements
C. To provide for the safe and efficient movement of road users through or
around a work area while protecting workers and minimizing disruption
D. To permit the contractor to determine traffic control requirements
after construction begins
C
A TTC plan establishes the measures necessary to facilitate road users
through a work zone or incident area while addressing safety and
traffic-flow needs.
3. A contractor is preparing a TTC plan for a roadway with high traffic
volumes, a nearby interchange, pedestrians, bicyclists, heavy trucks,
and limited sight distance. Which approach is most appropriate?
A. Use the same TTC arrangement used on every project because
standard applications do not need modification
B. Consider roadway geometry, traffic volumes, road-user types, speeds,
intersections, interchange characteristics, and work activities before
selecting the TTC arrangement
,C. Design the work zone exclusively around construction equipment
access
D. Eliminate pedestrian accommodations whenever vehicular traffic
volumes are high
B
MUTCD guidance recognizes that each TTC zone is different and requires
consideration of roadway characteristics, traffic, road-user mix, speeds,
and work conditions when selecting appropriate controls.
4. Which person has primary responsibility for designing, setting up,
and maintaining temporary traffic control on a CDOT construction
project when functioning as the Traffic Control Supervisor?
A. The project estimator
B. The equipment operator
C. The Traffic Control Supervisor
D. The concrete testing technician
C
CDOT identifies the Traffic Control Supervisor as the person responsible
for designing, setting up, and maintaining temporary traffic control in
the work zone.
5. Under CDOT's Traffic Control Supervisor program, what certification
status is required for a Traffic Control Supervisor performing the
applicable duties on a CDOT project?
, A. The person must be certified as a worksite traffic supervisor by an
authorized entity and have current flagger certification from an
authorized entity
B. The person only needs a commercial driver's license
C. The person only needs OSHA-10 training
D. The person only needs to complete the contractor's internal
orientation
A
CDOT Specification 630.11 requires the Traffic Control Supervisor to be
certified as a worksite traffic supervisor by an authorized entity and to
maintain current flagger certification.
6. A contractor is using an old traffic control plan based solely on the
2009 MUTCD for a new Colorado transportation project starting
after January 18, 2026. What is the most appropriate action?
A. Continue using it because the 2009 MUTCD remains the controlling
national standard
B. Use the old plan only if traffic volumes are below 10,000 vehicles per
day
C. Review and update the plan to comply with the applicable 11th Edition
MUTCD and Colorado Supplement requirements
D. Replace the traffic control plan with a verbal instruction from the
foreman
C
