1|Page
TRAFFIC SIGNAL FIELD TECHNICIAN
ACTUAL EXAM NEWEST 2025/2026
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS|ALREADY GRADED
A+
What organization has established requirements for PPE
in certain working situations? - . . ANSWER ✔
✔OSHA/CCOHS
Which of the following certifications must be attained
first? - . . ANSWER ✔ ✔Traffic signal Tech. Level 1
Upgrades or revisions to the traffic signal are the
responsibility of whom? - . . ANSWER ✔ ✔professional
engineer
What is NOT an example of documentation that can limit
the liability of the technician and/or agency? - . . ANSWER
✔ ✔NTCIP
,2|Page
What is the single most important focus that the field
technician should have? - . . ANSWER ✔ ✔safety
For many agencies, what is the least amount of technicians
required to perform work with an aerial lift? - . . ANSWER
✔ ✔2
What is NOT true when it comes to dealing with the
public? - . . ANSWER ✔ ✔If you are unsure of the answer,
give them the incorrect information so you can keep
working
What is NOT a function of a modern traffic signal
controller? - . . ANSWER ✔ ✔Processing when a vehicle
has run a red light and informing the police
What was a major drawback with the first traffic signal
controllers? - . . ANSWER ✔ ✔Maintaining the
mechanical parts
When did standardization of controllers become
established in the United States and Canada? - . .
ANSWER ✔ ✔1970s
,3|Page
What was limited by the fourth proprietary connector used
with the NEMA TS-1? - . . ANSWER ✔ ✔the type of
replacement model
Which type of controller utilizes a high speed data channel
between all major equipment to maximize the
functionality and expandability of the controller assembly?
- . . ANSWER ✔ ✔NEMA TS-2 Type 1
What greatly reduced wire connections in the controller
cabinet with the use of the RS-485 with the SDLC? - . .
ANSWER ✔ ✔Bus interface unit
What was the intent of developing the ATC specifications?
- . . ANSWER ✔ ✔To have an open architecture hardware
and software platform for ITS application
Which agency developed a communications protocol for
ITS systems, field devices and software so basic
functionality should be interchangeable regardless of the
manufacturer? - . . ANSWER ✔ ✔NTCIP
, 4|Page
Before beginning work that requires workers or vehicles to
be in or over the roadway, what should traffic signal field
technicians ensure is in place? - . . ANSWER ✔
✔Temporary traffic control (TTC)
What is NOT a common type of truck used for traffic signal
maintenance? - . . ANSWER ✔ ✔dump truck
Traffic signals can be attached to Mast Arms using which
of the following?
- disconnect hangers attached to the mast arm which
suspend the signal
- bracket that is rigidly mounted to the mast arm with a
clamping device
- pipe mounts that screw into nipples installed directly
into the mast arm
- ALL of the above - . . ANSWER ✔ ✔all of the above
Traffic signal supports are NOT used to display the
following items: - . . ANSWER ✔ ✔advertisements
TRAFFIC SIGNAL FIELD TECHNICIAN
ACTUAL EXAM NEWEST 2025/2026
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS|ALREADY GRADED
A+
What organization has established requirements for PPE
in certain working situations? - . . ANSWER ✔
✔OSHA/CCOHS
Which of the following certifications must be attained
first? - . . ANSWER ✔ ✔Traffic signal Tech. Level 1
Upgrades or revisions to the traffic signal are the
responsibility of whom? - . . ANSWER ✔ ✔professional
engineer
What is NOT an example of documentation that can limit
the liability of the technician and/or agency? - . . ANSWER
✔ ✔NTCIP
,2|Page
What is the single most important focus that the field
technician should have? - . . ANSWER ✔ ✔safety
For many agencies, what is the least amount of technicians
required to perform work with an aerial lift? - . . ANSWER
✔ ✔2
What is NOT true when it comes to dealing with the
public? - . . ANSWER ✔ ✔If you are unsure of the answer,
give them the incorrect information so you can keep
working
What is NOT a function of a modern traffic signal
controller? - . . ANSWER ✔ ✔Processing when a vehicle
has run a red light and informing the police
What was a major drawback with the first traffic signal
controllers? - . . ANSWER ✔ ✔Maintaining the
mechanical parts
When did standardization of controllers become
established in the United States and Canada? - . .
ANSWER ✔ ✔1970s
,3|Page
What was limited by the fourth proprietary connector used
with the NEMA TS-1? - . . ANSWER ✔ ✔the type of
replacement model
Which type of controller utilizes a high speed data channel
between all major equipment to maximize the
functionality and expandability of the controller assembly?
- . . ANSWER ✔ ✔NEMA TS-2 Type 1
What greatly reduced wire connections in the controller
cabinet with the use of the RS-485 with the SDLC? - . .
ANSWER ✔ ✔Bus interface unit
What was the intent of developing the ATC specifications?
- . . ANSWER ✔ ✔To have an open architecture hardware
and software platform for ITS application
Which agency developed a communications protocol for
ITS systems, field devices and software so basic
functionality should be interchangeable regardless of the
manufacturer? - . . ANSWER ✔ ✔NTCIP
, 4|Page
Before beginning work that requires workers or vehicles to
be in or over the roadway, what should traffic signal field
technicians ensure is in place? - . . ANSWER ✔
✔Temporary traffic control (TTC)
What is NOT a common type of truck used for traffic signal
maintenance? - . . ANSWER ✔ ✔dump truck
Traffic signals can be attached to Mast Arms using which
of the following?
- disconnect hangers attached to the mast arm which
suspend the signal
- bracket that is rigidly mounted to the mast arm with a
clamping device
- pipe mounts that screw into nipples installed directly
into the mast arm
- ALL of the above - . . ANSWER ✔ ✔all of the above
Traffic signal supports are NOT used to display the
following items: - . . ANSWER ✔ ✔advertisements
