1 || |P |a |g | e
ISMA TRAFFIC SIGNAL TECHNICIAN II
EXAM 300 QUESTIONS AND 100% CORRECT
ANSWERS ALREADY GRADED A+- LATEST
AND COMPLETE VERSION 2025-2026 WITH
VERIFIED SOLUTIONS
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) | | |
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 | | |
,2 || |P |a |g | e
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: Routinemaintenance
| | |
Emergency repair
| |
The "word" public usually represents the following individuals (4): - ANSWER:
| | | | | | | | | |
Road users |
Area residents / Property owners
| | | |
Elected and appointed officials
| | | |
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.
| | | | | | | | |
,3 || |P |a |g | e
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
| | | |
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 NEMATS-1 has three connectors which where known as: - ANSWER: A,B, and
| | | | | | | | | | | | |
C connectors
| |
NEMATS-1 had how many connectors? - ANSWER: Three
| | | | | | | |
, 4 || |P |a |g | e
The NEMATS-1 defined every pin for each connector as either what two connection
| | | | | | | | | | | | |
types? - ANSWER: Input or Output
| | | | | |
NEMAalso allowed manufactures to add an additional feature on the fourth
| | | | | | | | | | |
connector. What was this connector know as? - ANSWER: D connector
| | | | | | | | | | |
What was the D connector commonly used for? - ANSWER: Communications
| | | | | | | | | |
Pre-emption
|
Other special features | |
What three agencies joined together to help develop the 170 controller? - ANSWER:
| | | | | | | | | | | |
California DOT
| |
City of Los Angeles California New
| | | | |
York State DOT
| | |
What controller is an open-architecture based general purpose microcomputer for traffic
| | | | | | | | | |
control? - ANSWER: Model 170 controller
| | | | | |
What two specifications does the model 170 controller require? - ANSWER: A specific
| | | | | | | | | | | |
hardware architecture
| |
A specific processor
| |
How is the Type 179 controller specification similar to the 170 specification?(2) -
| | | | | | | | | | | |
ANSWER: Open architecture
| | |
Allows for interchangeability of components
| | | |
What is the primary difference between the 179 and 170 controller - ANSWER:
| | | | | | | | | | | |
Uses a different microprocessor
| | |
ISMA TRAFFIC SIGNAL TECHNICIAN II
EXAM 300 QUESTIONS AND 100% CORRECT
ANSWERS ALREADY GRADED A+- LATEST
AND COMPLETE VERSION 2025-2026 WITH
VERIFIED SOLUTIONS
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) | | |
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 | | |
,2 || |P |a |g | e
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: Routinemaintenance
| | |
Emergency repair
| |
The "word" public usually represents the following individuals (4): - ANSWER:
| | | | | | | | | |
Road users |
Area residents / Property owners
| | | |
Elected and appointed officials
| | | |
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.
| | | | | | | | |
,3 || |P |a |g | e
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
| | | |
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 NEMATS-1 has three connectors which where known as: - ANSWER: A,B, and
| | | | | | | | | | | | |
C connectors
| |
NEMATS-1 had how many connectors? - ANSWER: Three
| | | | | | | |
, 4 || |P |a |g | e
The NEMATS-1 defined every pin for each connector as either what two connection
| | | | | | | | | | | | |
types? - ANSWER: Input or Output
| | | | | |
NEMAalso allowed manufactures to add an additional feature on the fourth
| | | | | | | | | | |
connector. What was this connector know as? - ANSWER: D connector
| | | | | | | | | | |
What was the D connector commonly used for? - ANSWER: Communications
| | | | | | | | | |
Pre-emption
|
Other special features | |
What three agencies joined together to help develop the 170 controller? - ANSWER:
| | | | | | | | | | | |
California DOT
| |
City of Los Angeles California New
| | | | |
York State DOT
| | |
What controller is an open-architecture based general purpose microcomputer for traffic
| | | | | | | | | |
control? - ANSWER: Model 170 controller
| | | | | |
What two specifications does the model 170 controller require? - ANSWER: A specific
| | | | | | | | | | | |
hardware architecture
| |
A specific processor
| |
How is the Type 179 controller specification similar to the 170 specification?(2) -
| | | | | | | | | | | |
ANSWER: Open architecture
| | |
Allows for interchangeability of components
| | | |
What is the primary difference between the 179 and 170 controller - ANSWER:
| | | | | | | | | | | |
Uses a different microprocessor
| | |
