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IMSA level 1 Certification Exam Questions
And Answers 2025 Update.
Where are you when you install alternating flashing 12" red lights? - Answer✔At a railroad
crossing.
Who determins the the standards on traffic control devices and sets the requirements for
uniformity? - Answer✔The Manual on uniform traffic control devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? -
Answer✔120 volts AC
Where are you when you come across a signal that has a ped pole on each side of the road,
each having a 3 section signal on top followed with a 2 section mounted directly under neath? -
Answer✔A ramp meter on a ramp to a highway.
What is a flashing signal along the road called? - Answer✔A flashing beacon.
What is the definition of short term work zone as per the MUTCD? - Answer✔1 hour or less
What's OSHA? - Answer✔Occupational and safety health administration
Can you get your level III certification and what are they? - Answer✔Yes, and it's for bench and
field electrician
I'm working near power lines where would I get my clearance from? - Answer✔CEC, NEC, NESC
What are the three basic types of beacons? - Answer✔Stop sign beacon, warning beacon, and
flashing beacon.
What is the difference between concurrent and sequential phases? - Answer✔Concurrent
phases, phases that run together. Sequential phases, are phases that run one at a time.
I have a dual ring controller and all my through phases are even, what do I mean? -
Answer✔The dual ring phases are 2,4,6,8
What is the cheapest way to coordinate a corridor of signals? What needs to stay the same
throughout the day? - Answer✔Time based coordination, and cycle length.
1
IMSA level 1 Certification Exam Questions
And Answers 2025 Update.
Where are you when you install alternating flashing 12" red lights? - Answer✔At a railroad
crossing.
Who determins the the standards on traffic control devices and sets the requirements for
uniformity? - Answer✔The Manual on uniform traffic control devices, (MUTCD).
What is the the voltage that a traffic signal cabinet needs to run all its components? -
Answer✔120 volts AC
Where are you when you come across a signal that has a ped pole on each side of the road,
each having a 3 section signal on top followed with a 2 section mounted directly under neath? -
Answer✔A ramp meter on a ramp to a highway.
What is a flashing signal along the road called? - Answer✔A flashing beacon.
What is the definition of short term work zone as per the MUTCD? - Answer✔1 hour or less
What's OSHA? - Answer✔Occupational and safety health administration
Can you get your level III certification and what are they? - Answer✔Yes, and it's for bench and
field electrician
I'm working near power lines where would I get my clearance from? - Answer✔CEC, NEC, NESC
What are the three basic types of beacons? - Answer✔Stop sign beacon, warning beacon, and
flashing beacon.
What is the difference between concurrent and sequential phases? - Answer✔Concurrent
phases, phases that run together. Sequential phases, are phases that run one at a time.
I have a dual ring controller and all my through phases are even, what do I mean? -
Answer✔The dual ring phases are 2,4,6,8
What is the cheapest way to coordinate a corridor of signals? What needs to stay the same
throughout the day? - Answer✔Time based coordination, and cycle length.
1
