12/23/25, 11:41 PM ISMA Traffic Signal Technician II Flashcards | Quizlet
Science Engineering Electrical Engineering
ISMA Traffic Signal Technician II
Terms in this set (196)
The traffic field technician is responsible for Preventive and Emergency
performing what types of maintenance on
signals?
The single most important focus for the Safety
traffic signal field technician is?
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,12/23/25, 11:41 PM ISMA Traffic Signal Technician II Flashcards | Quizlet
Three main categories of safety a traffic Safety of motorist and pedestrians
signal technician is responsible for? His or her own personal safety
Safety of public and personal property
Traffic signal field technicians perform Bucket Truck
several maintenance and repair functions Aerial lift (platform truck)
above the ground and roadway typically
using what two vehicles?
While using a bucket truck or aerial lift what Protective Harness
implement provides proper protection for
the user?
What responsibilities (liability) does a Traffic Legal liability
signal technician have while involved in Dealing with the public
repair, testing or maintenance?
It is imperative that the traffic signal field Documentation
technician maintain comprehensive what of
all the steps taken during repair and
maintenance of traffic signals?
What two instances are documentation Routine maintenance
required for a traffic signal field technician? Emergency repair
The "word" public usually represents the Road users
following individuals (4): Area residents / Property owners
Elected and appointed officials
The media
Several means of public interaction are (3): Mail or email
Telephone contact
Face to face meetings
When dealing with the public, keep in mind Always be polite
that the routines of public users may be Be confident when speaking
disrupted for periods of time during Communicate clearly in understandable terminology
construction. How should a traffic signal Don't argue or threaten
field technician interact with the public? (5) Don't provide information if you are uncertain of its accuracy.
Traffic signal controller units of todays traffic Microprocessor
systems are controlled by what?
The microprocessor is programmed to Input requests from vehicle detection systems
recognize what?
A microprocessor takes appropriate action Timing
to control intersection what?
A forerunner of the electronic controllers Electro-mechanical controller
that we have today was the?
https://quizlet.com/608249338/isma-traffic-signal-technician-ii-flash-cards/ 2/16
, 12/23/25, 11:41 PM ISMA Traffic Signal Technician II Flashcards | Quizlet
What year where solid state electronic 1970's
controllers developed to replace the
electro-mechanical controllers?
What two improvements differentiated More dependable
electronic controllers from electro- Added many more features
mechanical controllers?
What was the standardization that primarily NEMA TS-1
established a pin configuration in the
controller and defined a function for every
pin?
The NEMA TS-1 has three connectors which A,B, and C connectors
where known as:
NEMA TS-1 had how many connectors? Three
The NEMA TS-1 defined every pin for each Input or Output
connector as either what two connection
types?
NEMA also allowed manufactures to add an D connector
additional feature on the fourth connector.
What was this connector know as?
What was the D connector commonly used Communications
for? Pre-emption
Other special features
What three agencies joined together to help California DOT
develop the 170 controller? City of Los Angeles California
New York State DOT
What controller is an open-architecture Model 170 controller
based general purpose microcomputer for
traffic control?
What two specifications does the model 170 A specific hardware architecture
controller require? A specific processor
How is the Type 179 controller specification Open architecture
similar to the 170 specification?(2) Allows for interchangeability of components
What is the primary difference between the Uses a different microprocessor
179 and 170 controller
Who developed the model 2070 controller? CALTRANS
https://quizlet.com/608249338/isma-traffic-signal-technician-ii-flash-cards/ 3/16
Science Engineering Electrical Engineering
ISMA Traffic Signal Technician II
Terms in this set (196)
The traffic field technician is responsible for Preventive and Emergency
performing what types of maintenance on
signals?
The single most important focus for the Safety
traffic signal field technician is?
https://quizlet.com/608249338/isma-traffic-signal-technician-ii-flash-cards/ 1/16
,12/23/25, 11:41 PM ISMA Traffic Signal Technician II Flashcards | Quizlet
Three main categories of safety a traffic Safety of motorist and pedestrians
signal technician is responsible for? His or her own personal safety
Safety of public and personal property
Traffic signal field technicians perform Bucket Truck
several maintenance and repair functions Aerial lift (platform truck)
above the ground and roadway typically
using what two vehicles?
While using a bucket truck or aerial lift what Protective Harness
implement provides proper protection for
the user?
What responsibilities (liability) does a Traffic Legal liability
signal technician have while involved in Dealing with the public
repair, testing or maintenance?
It is imperative that the traffic signal field Documentation
technician maintain comprehensive what of
all the steps taken during repair and
maintenance of traffic signals?
What two instances are documentation Routine maintenance
required for a traffic signal field technician? Emergency repair
The "word" public usually represents the Road users
following individuals (4): Area residents / Property owners
Elected and appointed officials
The media
Several means of public interaction are (3): Mail or email
Telephone contact
Face to face meetings
When dealing with the public, keep in mind Always be polite
that the routines of public users may be Be confident when speaking
disrupted for periods of time during Communicate clearly in understandable terminology
construction. How should a traffic signal Don't argue or threaten
field technician interact with the public? (5) Don't provide information if you are uncertain of its accuracy.
Traffic signal controller units of todays traffic Microprocessor
systems are controlled by what?
The microprocessor is programmed to Input requests from vehicle detection systems
recognize what?
A microprocessor takes appropriate action Timing
to control intersection what?
A forerunner of the electronic controllers Electro-mechanical controller
that we have today was the?
https://quizlet.com/608249338/isma-traffic-signal-technician-ii-flash-cards/ 2/16
, 12/23/25, 11:41 PM ISMA Traffic Signal Technician II Flashcards | Quizlet
What year where solid state electronic 1970's
controllers developed to replace the
electro-mechanical controllers?
What two improvements differentiated More dependable
electronic controllers from electro- Added many more features
mechanical controllers?
What was the standardization that primarily NEMA TS-1
established a pin configuration in the
controller and defined a function for every
pin?
The NEMA TS-1 has three connectors which A,B, and C connectors
where known as:
NEMA TS-1 had how many connectors? Three
The NEMA TS-1 defined every pin for each Input or Output
connector as either what two connection
types?
NEMA also allowed manufactures to add an D connector
additional feature on the fourth connector.
What was this connector know as?
What was the D connector commonly used Communications
for? Pre-emption
Other special features
What three agencies joined together to help California DOT
develop the 170 controller? City of Los Angeles California
New York State DOT
What controller is an open-architecture Model 170 controller
based general purpose microcomputer for
traffic control?
What two specifications does the model 170 A specific hardware architecture
controller require? A specific processor
How is the Type 179 controller specification Open architecture
similar to the 170 specification?(2) Allows for interchangeability of components
What is the primary difference between the Uses a different microprocessor
179 and 170 controller
Who developed the model 2070 controller? CALTRANS
https://quizlet.com/608249338/isma-traffic-signal-technician-ii-flash-cards/ 3/16
