IMSA Signal I Questions and Answers 100%
Accurate
Safety Education - ANSWER - Primary function of the IMSA
International Municipal Signal Association - ANSWER - IMSA Stands for:
Circular Red, Circular Green - ANSWER - What are the sections of a ramp meter signal?
Personal Protective Equipment - ANSWER - PPE Stands for:
Ensure advance warning devices have not been removed or relocated - ANSWER - A work zone
supervisor is responsible for:
three-section traffic signal with circular red, circular yellow, smaller circular yellow indications - ANSWER
- Example of the configuration of an Emergency-Vehicle Control signal
Min green, passage time, max green - ANSWER - The green interval is made up of what three
components?
Min, max, ped - ANSWER - What are the three typical types of recall features of a traffic signal
controller?
Split - ANSWER - In a coordination plan, what is the number of seconds given to each phase at the
intersection?
Time-based coordination - ANSWER - which of the following traffic signal coordination methods is
typically the least expensive?
, The elapsed time between the start of a specific display until that display comes up again - ANSWER -
cycle length
power supply wires, conduit riser with weatherhead, meter housing - ANSWER - what are some
components of an overhead power service?
2-6 hours - ANSWER - typical battery back-up systems supply power to a signal for:
data bus - ANSWER - a major distinguishing feature between NEMA TS-1 and TS-2 controller is:
the elapsed time between the start of a specific display until that display comes up again - ANSWER -
What is a definition for cycle length?
They cannot occur at the same time - ANSWER - What is a characteristic of a sequential phase?
Minimum time that the green indication must be displayed - ANSWER - A definition for initial green time
Yield point - ANSWER - the only point in a cycle of a coordinated traffic signal controller where the major-
street phase is allowed to end
Rigid and free-swinging - ANSWER - two common terms to describe traffic signal supports and signal
heads are:
messenger wire - ANSWER - in a single wire with a single point attachment configuration, the wire that
supports the signal heads is called the:
8 in, 12 in - ANSWER - the two nominal diameter sizes for vehicular signal lenses are:
make signal visible from a specific lane - ANSWER - the purposes of *louvers* is to:
Accurate
Safety Education - ANSWER - Primary function of the IMSA
International Municipal Signal Association - ANSWER - IMSA Stands for:
Circular Red, Circular Green - ANSWER - What are the sections of a ramp meter signal?
Personal Protective Equipment - ANSWER - PPE Stands for:
Ensure advance warning devices have not been removed or relocated - ANSWER - A work zone
supervisor is responsible for:
three-section traffic signal with circular red, circular yellow, smaller circular yellow indications - ANSWER
- Example of the configuration of an Emergency-Vehicle Control signal
Min green, passage time, max green - ANSWER - The green interval is made up of what three
components?
Min, max, ped - ANSWER - What are the three typical types of recall features of a traffic signal
controller?
Split - ANSWER - In a coordination plan, what is the number of seconds given to each phase at the
intersection?
Time-based coordination - ANSWER - which of the following traffic signal coordination methods is
typically the least expensive?
, The elapsed time between the start of a specific display until that display comes up again - ANSWER -
cycle length
power supply wires, conduit riser with weatherhead, meter housing - ANSWER - what are some
components of an overhead power service?
2-6 hours - ANSWER - typical battery back-up systems supply power to a signal for:
data bus - ANSWER - a major distinguishing feature between NEMA TS-1 and TS-2 controller is:
the elapsed time between the start of a specific display until that display comes up again - ANSWER -
What is a definition for cycle length?
They cannot occur at the same time - ANSWER - What is a characteristic of a sequential phase?
Minimum time that the green indication must be displayed - ANSWER - A definition for initial green time
Yield point - ANSWER - the only point in a cycle of a coordinated traffic signal controller where the major-
street phase is allowed to end
Rigid and free-swinging - ANSWER - two common terms to describe traffic signal supports and signal
heads are:
messenger wire - ANSWER - in a single wire with a single point attachment configuration, the wire that
supports the signal heads is called the:
8 in, 12 in - ANSWER - the two nominal diameter sizes for vehicular signal lenses are:
make signal visible from a specific lane - ANSWER - the purposes of *louvers* is to:
