Traffic Signal Field Technician Midterm
Exam with Correct Verified Solutions
(2025-2026) Edition.
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
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
, 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
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
Methods of signal supports include what? - Answer Truss supports, monotube supports,
pedestal supports
What is NOT an advantage of attaching signals to mast arms with brackets? - Answer allow for
the signal to "give" in the wind
Exam with Correct Verified Solutions
(2025-2026) Edition.
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
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
, 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
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
Methods of signal supports include what? - Answer Truss supports, monotube supports,
pedestal supports
What is NOT an advantage of attaching signals to mast arms with brackets? - Answer allow for
the signal to "give" in the wind
