IMSA level 1 Certification Exam Questions
and Correct Answers
Question 1
What is a flashing signal along the road called?
Correct Answer
A flashing beacon.
Question 2
Where are you when you install alternating flashing 12" red lights?
Correct Answer
At a railroad crossing.
Question 3
At most intersections what are phases 2,6 called, and phases 4,8 called
Correct Answer
Phases 2,6 are called Main Street, and 4,8 are called side street.
Question 4
What is the cheapest way to coordinate a corridor of signals? What needs to stay the
same throughout the day?
Correct Answer
Time based coordination, and cycle length.
Question 5
What is used to shade signal indications from the sun and allow it be seen from the
lane intended?
Correct Answer
Visors.
Page 1 of 9
, Question 6
The last step before an intersection is ready for ____ is to have the inspectors, local
agencies, and the contractor meet for the final okay.
Correct Answer
Stop and go operation
Question 7
12" signal heads can be used without side a pole support heads on a ____ to a _____
intersection?
Correct Answer
Minimum 40 foot maximum 120 foot intersection.
Question 8
____ assemblies provide the maximum support length to cross over a street?
Correct Answer
Truss type assemblies.
Question 9
Would a solar detector be a common way to detect for traffic at a traffic signal? Yes or
no?
Correct Answer
No
Question 10
Can you get your level III certification and what are they?
Correct Answer
Yes, and it's for bench and field electrician
Page 2 of 9
and Correct Answers
Question 1
What is a flashing signal along the road called?
Correct Answer
A flashing beacon.
Question 2
Where are you when you install alternating flashing 12" red lights?
Correct Answer
At a railroad crossing.
Question 3
At most intersections what are phases 2,6 called, and phases 4,8 called
Correct Answer
Phases 2,6 are called Main Street, and 4,8 are called side street.
Question 4
What is the cheapest way to coordinate a corridor of signals? What needs to stay the
same throughout the day?
Correct Answer
Time based coordination, and cycle length.
Question 5
What is used to shade signal indications from the sun and allow it be seen from the
lane intended?
Correct Answer
Visors.
Page 1 of 9
, Question 6
The last step before an intersection is ready for ____ is to have the inspectors, local
agencies, and the contractor meet for the final okay.
Correct Answer
Stop and go operation
Question 7
12" signal heads can be used without side a pole support heads on a ____ to a _____
intersection?
Correct Answer
Minimum 40 foot maximum 120 foot intersection.
Question 8
____ assemblies provide the maximum support length to cross over a street?
Correct Answer
Truss type assemblies.
Question 9
Would a solar detector be a common way to detect for traffic at a traffic signal? Yes or
no?
Correct Answer
No
Question 10
Can you get your level III certification and what are they?
Correct Answer
Yes, and it's for bench and field electrician
Page 2 of 9
