Traffic Signal Technician Level 1 Questions
and Answers
What is the primary function of the IMAS?
Ans: Safety Education
IMSA Stands for
Ans: International Municipal Signal Association
Which of the following is NOT an IMSA certification?
Ans: Traffic Signal Level III Bridge Technician
Which of the following are potential safety hazards?
Ans: overhead and underground power, gas, aerial lift equipment. Tra
What are the sections of a ramp mete signal
Ans: Circular red, circular green
PPE stands for
Ans: Personal Protective Equipment
A work zone supervisor is responsible for which of the following
tasks:
Ans: Ensure advance warning devices have not been removed or
relocated.
Which of the following is NOT a sentence type in the MUTCD?
Standards; requirement that have to be followed.
Guidance; recommendations that are to be followed unless there I
good reason not to.
Objectives; reasons behind the standards and guidance.
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Support; additional information to clarify the standards and
guidance.
Ans: Objectives; reasons behind the standards and guidance
Which of the following is an example configuration fo an
Emergency - Vehicle Traffic Control Signals?
Ans: Thee section traffic signal with circular red, circular yellow, and
smaller circular yellow indications.
The following phases are typically assigned to the major-street
through movements:
Ans: 2 and 6
There green interval is made up of which three components?
Ans: Minimum green, passage time, maximum green
What are the three typical types of recall features of a traffic
signal controller?
Ans: Minimum, Maximum, Pedestrian
In a coordination plan, what is the number of seconds given to
each phase at the intersection?
Ans: split
which of the following traffic signal coordination methods is
typically the least expensive?
Ans: Time-Based Coordination
Which of the following is a definition for cycle length?
Ans: The elapsed time between the start of a specific display until that
display comes up again.
Which of the following is a characteristic of sequential phases?
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Ans: they cannot occur at the same time.
Which of th following is a definition for initial green time
Ans: Minimum time that that the green indication myst be displayed
The only point in the cycle of a coordinated traffic signal
controller where the major street phase is allowed to end is called
Ans: Yield point
Which of ht following is NOT a common mode of operation for
timing plans in a signal system?
Ans: Traffic Related
Two common terms to describe traffic signal supports and signal
heads are
Ans: rigid and free-swinging
IN a single wire with. single point attachment configuration, the
wire that supports the signal heads is called the
Ans: Messenger Wire
The two nominal diameter sizes for vehicular signal lenses are:
Ans: 8 in (200mm) and 12 in (300mm)
The purpose of "Louvers" is to:
Ans: make signal visible from a specific lane
Which of the following types of conduit are used for traffic
signals?
Ans: Rigid Steel conduit
High-density Polyethylene (HDPE)
PVC Schedule 40
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