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IMSA Traffic Signal Technician Practice Exam
and Answers
What is the primary function of IMSA? a. Teaching design issues b. Safety education c. Signal manufacturing training
d. Install traffic signals CORRECT ANSWER: b
IMSA stands for? CORRECT ANSWER: International Municipal Signal Association
Which of the following is not an IMS a certification? A traffic signal level to design technician be traffic signal level to field technician see traffic signal level to bench technician D traffic signal level III bridge
design technician CORRECT ANSWER: D
Which of the following are potential safety hazard's? A overhead and underground power be gas see
aerial lift equipment D all of the above CORRECT ANSWER: D
What are the sections of a ramp meter signal? A circular red circular yellow circular green be a circular
yellow, circular green sea. Circular read, circular yellow D. Circular read, circular yellow CORRECT
ANSWER: D
PPE stands for: CORRECT ANSWER: Personal protective equipment
Which of the following is an example of adequate fall protection during the operation of aerial lift equipment? A. Full body harness be. Safety belt see. Rails of a platform lift D. All of the above
CORRECT ANSWER: D
A work zone supervisor is responsible for which of the following tasks: a. Maintaining the project schedule B. Ensure advance warning devices have not been removed or relocated see. Enforce traffic laws
in the work zone D. All of the above CORRECT ANSWER: B
Which of the following is not a sentence type in the MUTCUD: a standards be guidance C. objectives D
support CORRECT ANSWER: C
Which of the following is an example configuration of an emergency vehicle traffic control signal: a two section traffic signal with circular green and circular read indications beer. Three section traffic signal with circular read, circular yellow, and smaller circular yellow indications see. Two section traffic signal
with circular green and circular yellow indications D. None of the above CORRECT ANSWER: B
The following faces are typically assigned to the major street through approaches: CORRECT
ANSWER: 2 and 6
The green interval is made up of which three components? CORRECT ANSWER: Minimum green,
passage time, maximum green
What are the three typical types of recall features of a traffic signal controller? CORRECT ANSWER:
Minimum, maximum, pedestrian Any coordination plan, what is the number of seconds given to each phase at the intersection?
CORRECT ANSWER: The split
Which of the following traffic signal coordination methods is typically the least expensive? CORRECT
ANSWER: Time-based coordination
B
Which of the following is a characteristic of sequential phases: a. They cannot occur at the same time be. They are the phases numbered one to 4C. They are the odd-numbered phases D. None of the above
CORRECT ANSWER: A
Which of the following is a definition for initial green Time: a minimum time that the green indication must be displayed be. Amount of time the green indication as display before a vehicle proceeds into the intersection see. The extended mount of time given to the green indication for each detected vehicle D.
None of the above CORRECT ANSWER: A
The only point in the cycle of a coordinated traffic signal controller were the major street phase is allowed
to end is called? CORRECT ANSWER: Yield Point
Which of the following is not a common mode of operation for timing plans in a signal system: A period
time of day B. Traffic related see. Traffic responsive D. Traffic adaptive CORRECT ANSWER: B
Two common terms to describe traffic signal supports in single heads are: a. Rigid and free swinging be.
Rigid and loose see. Fixed and loose D. Mast and free CORRECT ANSWER: A
In a single wire with a single point attachment configuration, the wire that supports the signal heads is Which of the following is a definition for cycle length: a. The amount of time given to a particular indication during a particular phase B. The elapsed time between the start of a specific display until that display comes up again see. The amount of time given to the left turning movements of the signalized
intersection D. The amount of time given to a single phase of the intersection CORRECT ANSWER:
continuous wave detectors CORRECT ANSWER:
The primary function of the CMU is: a change signal indications be keep clock for signal see. Monitor
signal operations D. Prevent conflicting signal egg indications CORRECT ANSWER: D
What is not part of an overhead power service: a pole box B. A power supply wires see. Conduit riser
with weatherhead dear. Meter housing CORRECT ANSWER: A
Typical back up battery systems provide battery power in case of an outer edge to a signal for how many
hours? CORRECT ANSWER: 2 to 6 hours
A major distinguishing feature between NEMA TS-1 and TS-2 controllers is: a. Display b. Data bus c.
Size d. Color CORRECT ANSWER: B
The advanced transportation controller was developed to provide: a. NEMA standards be. 170 standards C. Open architecture hardware and software platform dear. Closed architecture hardware and software
platform CORRECT ANSWER: C
A 6' x 20' loop requires how many turns? CORRECT ANSWER:
A 2' x 6' loop requires how many turns? CORRECT ANSWER:
