ISMA Traffic Signal Technician II
Questions and Answers (Graded
A)
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
Safety of what two entities is the first concern when performing maintenance on
traffic signal supports? - ANSWER - Workers
The public
,The traffic field signal technician should review the work to be performed to ensure
that all necessary "what" is ready and available? (2) - ANSWER - Equipment
Inventory
Traffic signal support poles that have a span wire assembly attached to them are
called what? - ANSWER - Strain poles
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
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
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 is the primary difference between the 179 and 170 controller - ANSWER - Uses
a different microprocessor
Who developed the model 2070 controller? - ANSWER - CALTRANS
The 2070 was introduced to supersede which controller? - ANSWER - The 170
controller
Which controller is compatible regardless of the manufacturer? - ANSWER - The
2070 controller
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
Questions and Answers (Graded
A)
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
Safety of what two entities is the first concern when performing maintenance on
traffic signal supports? - ANSWER - Workers
The public
,The traffic field signal technician should review the work to be performed to ensure
that all necessary "what" is ready and available? (2) - ANSWER - Equipment
Inventory
Traffic signal support poles that have a span wire assembly attached to them are
called what? - ANSWER - Strain poles
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
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
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 is the primary difference between the 179 and 170 controller - ANSWER - Uses
a different microprocessor
Who developed the model 2070 controller? - ANSWER - CALTRANS
The 2070 was introduced to supersede which controller? - ANSWER - The 170
controller
Which controller is compatible regardless of the manufacturer? - ANSWER - The
2070 controller
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
