IMSA Traffic Signal Technician Level II | Questions and Verified Answers | Grade A | 100% Correct (2024 / 2025 Update)
Question:
An intersection that has four through phases and four left turn phases are considered how may phases together ?
Answer:
Eight phase intersection
Question:
Each phase is comprised of intervals ?True or false ?
Answer:
True
- / 4
Question:
(Interval )is based on?
Answer:
The amount of TIME that a particular indication is given during a phase Another words, the total time assigned to a specific display.
Question:
An example of an ( interval ) is?
Answer:
" the amount of time that a green indication is given during a particular phase. " (know as a "green _______ )"
Question:
(Ring) in a traffic signal controller is?
Answer:
A Series of conflicting phases that occur in simultaneously( same time ) with each other
Question:
What are the two typically ( ring ) that a traffic controller have ?
Answer:
"Single-ring" or "dual ring" 2 / 4
Question:
What are other ( rings ) that are rarely used ? And when are these types of rings used for?
Answer:
- or 4 rings &
(used for two or more separate intersections are controlled by a single controller)
Question:
What is a ( barrier) ?
Answer:
Is a boundary point in the preferred sequence. Barrier that separates something so it won't have in the same time.
Question:
How many (barriers) does a "dual ring controller" have?
Answer:
Two , one for leaving the MAJOR street and one for leaving the MINOR street.
- / 4
Question:
_______ ensure that green indications will not be given to conflicting movement at the intersection at the same time.
Answer:
Barriers
Question:
What is a ( concurrent phase) ?
Answer:
Are movements that happen at the same time because do not conflict ( collide) with one another.
Question:
Example of a ( concurrent phase )
Answer:
A Through movement and a adjacent left turn movement can move on the same time.
Question:
What is a (sequential phase)?
Answer:
Cannot happen at the same time because they conflict with one another ( collide)
- / 4