IMSA Traffic Signal Technician 2 Exam Questions and Verified
Answers Study Guide & Practice Test Updated 2026
Which of the following could cause signals at an intersection to repeatedly
go into flash? - VERIFIED ANSWER - The MMU shows conflict on phases 2,
6, and 4 during the red interval on 2 and 6. The phase 4 field terminal is
blackened and the terminal screw is loose
A traffic signal head for phase 8 east bound amber is out; the load switch
is blown. The Tech checks field terminals in the cabinet with a multimeter
and verifies the wire is shorted. Which of the following options describes
the MOST LIKELY cause of the shorted wire? - VERIFIED ANSWER - Signal
cable has rubbed through to bare copper.
A technician is at an intersection with a signal indication that is out. What
is the FIRST step the technician should take? - VERIFIED ANSWER - check
output voltage in field wiring.
A pedestrian phase is not being serviced after the push button is
activated. What is the FIRST thing the technician should do? - VERIFIED
ANSWER - Verify input is received in the controller.
,What piece of test equipment can be directly connected to many different
traffic signal control equipment groups? - VERIFIED ANSWER - Laptop
computer
What are several of the functions a laptop computer can perform in
relation to a traffic signal controller?(5) - VERIFIED ANSWER - Set up
equipment
Download operational parameters to the equipment
Upload signal system software
Upload traffic signal timing plans
Set up video detection
What are the two typical forms of interconnectivity for testing
equipment? - VERIFIED ANSWER - Ethernet cable
Serial communication cable
What type of software program is typically used as a user interface? -
VERIFIED ANSWER - Windows - based graphical user interface
,The Tech receives a call for a damaged signal head. When arriving on the
scene, what is the FIRST thing the technician does? - VERIFIED ANSWER -
Observe the intersection.
The technician arrives at an intersection where all the signals are out.
What does the technician do
FIRST? - VERIFIED ANSWER - check the line service to make sure there is
main power.
The technician arrives at an intersection that is dark. What type of meter
does the technician use
the check voltage? - VERIFIED ANSWER - Multimeter
A technician received a call that a signal head was knocked down. The
technician arrives on scene, repairs the problem, observes the
intersection is functioning properly and completes his job duties. What is
the technician's LAST task before leaving the intersection? - VERIFIED
ANSWER - Document all repairs and the incident in the maintenance logs.
A technician observes two different colored signals displayed at the same
time in one direction. The Tech knows the problem is LEAST LIKELY related
to the - VERIFIED ANSWER - incoming power
, A technician arrives at the intersection and the light is on flash. What
should the technician do? - VERIFIED ANSWER - Check the conflict monitor
display and then reset it.
The MOST IMPORTANT thing to do when completing work is to - VERIFIED
ANSWER - document all changes in the maintenance logs.
When installing an APS detector (Accessible Pedestrian Signal) unit, at
which distance does the MUTCD require the audible sound to be heard
from the push button? - VERIFIED ANSWER - Pushbutton locator tones
shall be intensity responsive to ambient sound, and be audible 2 to 6 feet
from the button, or the building line, whichever is less.
What is the BEST way to verify that the proper PED actuation corresponds
to the proper phase? - VERIFIED ANSWER - One technician pushes
individual buttons while another technician verifies inputs in the
controller are correct.
When testing a countdown pedestrian head, how does an IMSA traffic
signal field tech II determine the correct time that should be displayed in
Answers Study Guide & Practice Test Updated 2026
Which of the following could cause signals at an intersection to repeatedly
go into flash? - VERIFIED ANSWER - The MMU shows conflict on phases 2,
6, and 4 during the red interval on 2 and 6. The phase 4 field terminal is
blackened and the terminal screw is loose
A traffic signal head for phase 8 east bound amber is out; the load switch
is blown. The Tech checks field terminals in the cabinet with a multimeter
and verifies the wire is shorted. Which of the following options describes
the MOST LIKELY cause of the shorted wire? - VERIFIED ANSWER - Signal
cable has rubbed through to bare copper.
A technician is at an intersection with a signal indication that is out. What
is the FIRST step the technician should take? - VERIFIED ANSWER - check
output voltage in field wiring.
A pedestrian phase is not being serviced after the push button is
activated. What is the FIRST thing the technician should do? - VERIFIED
ANSWER - Verify input is received in the controller.
,What piece of test equipment can be directly connected to many different
traffic signal control equipment groups? - VERIFIED ANSWER - Laptop
computer
What are several of the functions a laptop computer can perform in
relation to a traffic signal controller?(5) - VERIFIED ANSWER - Set up
equipment
Download operational parameters to the equipment
Upload signal system software
Upload traffic signal timing plans
Set up video detection
What are the two typical forms of interconnectivity for testing
equipment? - VERIFIED ANSWER - Ethernet cable
Serial communication cable
What type of software program is typically used as a user interface? -
VERIFIED ANSWER - Windows - based graphical user interface
,The Tech receives a call for a damaged signal head. When arriving on the
scene, what is the FIRST thing the technician does? - VERIFIED ANSWER -
Observe the intersection.
The technician arrives at an intersection where all the signals are out.
What does the technician do
FIRST? - VERIFIED ANSWER - check the line service to make sure there is
main power.
The technician arrives at an intersection that is dark. What type of meter
does the technician use
the check voltage? - VERIFIED ANSWER - Multimeter
A technician received a call that a signal head was knocked down. The
technician arrives on scene, repairs the problem, observes the
intersection is functioning properly and completes his job duties. What is
the technician's LAST task before leaving the intersection? - VERIFIED
ANSWER - Document all repairs and the incident in the maintenance logs.
A technician observes two different colored signals displayed at the same
time in one direction. The Tech knows the problem is LEAST LIKELY related
to the - VERIFIED ANSWER - incoming power
, A technician arrives at the intersection and the light is on flash. What
should the technician do? - VERIFIED ANSWER - Check the conflict monitor
display and then reset it.
The MOST IMPORTANT thing to do when completing work is to - VERIFIED
ANSWER - document all changes in the maintenance logs.
When installing an APS detector (Accessible Pedestrian Signal) unit, at
which distance does the MUTCD require the audible sound to be heard
from the push button? - VERIFIED ANSWER - Pushbutton locator tones
shall be intensity responsive to ambient sound, and be audible 2 to 6 feet
from the button, or the building line, whichever is less.
What is the BEST way to verify that the proper PED actuation corresponds
to the proper phase? - VERIFIED ANSWER - One technician pushes
individual buttons while another technician verifies inputs in the
controller are correct.
When testing a countdown pedestrian head, how does an IMSA traffic
signal field tech II determine the correct time that should be displayed in
