1|Page
ISMA Traffic Signal Technician 2 Questions and Answers
with 100% Complete Solutions 2025/26
The traffic field technician is responsible for performing what
types of maintenance on signals? - ANSWER Preventive and
Emergency
The single most important focus for the traffic signal field
technician is? - ANSWER Safety
Three main categories of safety a traffic signal technician is
responsible for? - ANSWER Safety of motorist and pedestrians
His or her own personal safety
Safety of public and personal property
Traffic signal field technicians perform several maintenance and
repair functions above the ground and roadway typically using
what two vehicles? - ANSWER Bucket Truck
Aerial lift (platform truck)
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While using a bucket truck or aerial lift what implement
provides proper protection for the user? - ANSWER Protective
Harness
What responsibilities (liability) does a Traffic signal technician
have while involved in repair, testing or maintenance? -
ANSWER Legal liability
Dealing with the public
It is imperative that the traffic signal field technician maintain
comprehensive what of all the steps taken during repair and
maintenance of traffic signals? - ANSWER Documentation
What two instances are documentation required for a traffic
signal field technician? - ANSWER Routine maintenance
Emergency repair
The "word" public usually represents the following individuals
(4): - ANSWER Road users
Area residents / Property owners
Elected and appointed officials
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The media
Several means of public interaction are (3): - ANSWER Mail or
email
Telephone contact
Face to face meetings
When dealing with the public, keep in mind that the routines of
public users may be disrupted for periods of time during
construction. How should a traffic signal field technician
interact with the public? (5) - ANSWER Always be polite
Be confident when speaking
Communicate clearly in understandable terminology
Don't argue or threaten
Don't provide information if you are uncertain of its accuracy.
Traffic signal controller units of todays traffic systems are
controlled by what? - ANSWER Microprocessor
The microprocessor is programmed to recognize what? -
ANSWER Input requests from vehicle detection systems
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A microprocessor takes appropriate action to control
intersection what? - ANSWER Timing
A forerunner of the electronic controllers that we have today
was the? - ANSWER Electro-mechanical controller
What year where solid state electronic controllers developed to
replace the electro-mechanical controllers? - ANSWER 1970's
What two improvements differentiated electronic controllers
from electro-mechanical controllers? - ANSWER More
dependable
Added many more features
What was the standardization that primarily established a pin
configuration in the controller and defined a function for every
pin? - ANSWER NEMA TS-1
The NEMA TS-1 has three connectors which where known as: -
ANSWER A,B, and C connectors
ISMA Traffic Signal Technician 2 Questions and Answers
with 100% Complete Solutions 2025/26
The traffic field technician is responsible for performing what
types of maintenance on signals? - ANSWER Preventive and
Emergency
The single most important focus for the traffic signal field
technician is? - ANSWER Safety
Three main categories of safety a traffic signal technician is
responsible for? - ANSWER Safety of motorist and pedestrians
His or her own personal safety
Safety of public and personal property
Traffic signal field technicians perform several maintenance and
repair functions above the ground and roadway typically using
what two vehicles? - ANSWER Bucket Truck
Aerial lift (platform truck)
,2|Page
While using a bucket truck or aerial lift what implement
provides proper protection for the user? - ANSWER Protective
Harness
What responsibilities (liability) does a Traffic signal technician
have while involved in repair, testing or maintenance? -
ANSWER Legal liability
Dealing with the public
It is imperative that the traffic signal field technician maintain
comprehensive what of all the steps taken during repair and
maintenance of traffic signals? - ANSWER Documentation
What two instances are documentation required for a traffic
signal field technician? - ANSWER Routine maintenance
Emergency repair
The "word" public usually represents the following individuals
(4): - ANSWER Road users
Area residents / Property owners
Elected and appointed officials
,3|Page
The media
Several means of public interaction are (3): - ANSWER Mail or
Telephone contact
Face to face meetings
When dealing with the public, keep in mind that the routines of
public users may be disrupted for periods of time during
construction. How should a traffic signal field technician
interact with the public? (5) - ANSWER Always be polite
Be confident when speaking
Communicate clearly in understandable terminology
Don't argue or threaten
Don't provide information if you are uncertain of its accuracy.
Traffic signal controller units of todays traffic systems are
controlled by what? - ANSWER Microprocessor
The microprocessor is programmed to recognize what? -
ANSWER Input requests from vehicle detection systems
, 4|Page
A microprocessor takes appropriate action to control
intersection what? - ANSWER Timing
A forerunner of the electronic controllers that we have today
was the? - ANSWER Electro-mechanical controller
What year where solid state electronic controllers developed to
replace the electro-mechanical controllers? - ANSWER 1970's
What two improvements differentiated electronic controllers
from electro-mechanical controllers? - ANSWER More
dependable
Added many more features
What was the standardization that primarily established a pin
configuration in the controller and defined a function for every
pin? - ANSWER NEMA TS-1
The NEMA TS-1 has three connectors which where known as: -
ANSWER A,B, and C connectors
