IMSA SIGNAL TECHNICIAN LEVEL 1 END OF
CHAPTER 2026 EXAM PREPARATION PACK KEY
SIGNAL SYSTEMS AND ELECTRICAL
CONCEPTS WITH SAMPLE QUESTIONS
◉ The following phases are typically assigned to the major street
through movements: Answer: 2 and 6
◉ The green interval is made up which three components? Answer:
Minimum green, passage time, maximum green
◉ What are the three types of recall features of a traffic signal
controller? Answer: Minimum, maximum, pedestrian (+soft)
◉ In a coordination plan, what is the number of seconds given to
each phase at the intersection? Answer: Split (g,y,r)
◉ Which of the following traffic signal coordination method is
typically least expensive? Answer: Time-based coordination
◉ Which of the following is a definition of cycle length: Answer: 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:
Answer: They cannot occur at the same time
◉ Which of the following is a definition for initial green time:
Answer: Minimum time that the green indication must 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:
Answer: Yield point
◉ Which of the following is NOT a common mode of operation for
timing plans in a signal system: Answer: Y: Time of day
N: Traffic related
Y: Traffic Responsive
Y: Traffic adaptive
◉ Two common terms to describe traffic signal supports and signal
heads are: Answer: Rigid and free-swinging
◉ In a single wire with a single point attachment configuration, the
wire that supports the signal head is called the: Answer: Messenger
wire
CHAPTER 2026 EXAM PREPARATION PACK KEY
SIGNAL SYSTEMS AND ELECTRICAL
CONCEPTS WITH SAMPLE QUESTIONS
◉ The following phases are typically assigned to the major street
through movements: Answer: 2 and 6
◉ The green interval is made up which three components? Answer:
Minimum green, passage time, maximum green
◉ What are the three types of recall features of a traffic signal
controller? Answer: Minimum, maximum, pedestrian (+soft)
◉ In a coordination plan, what is the number of seconds given to
each phase at the intersection? Answer: Split (g,y,r)
◉ Which of the following traffic signal coordination method is
typically least expensive? Answer: Time-based coordination
◉ Which of the following is a definition of cycle length: Answer: 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:
Answer: They cannot occur at the same time
◉ Which of the following is a definition for initial green time:
Answer: Minimum time that the green indication must 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:
Answer: Yield point
◉ Which of the following is NOT a common mode of operation for
timing plans in a signal system: Answer: Y: Time of day
N: Traffic related
Y: Traffic Responsive
Y: Traffic adaptive
◉ Two common terms to describe traffic signal supports and signal
heads are: Answer: Rigid and free-swinging
◉ In a single wire with a single point attachment configuration, the
wire that supports the signal head is called the: Answer: Messenger
wire
