IMSA Traffic Signal Technician 2 Exam |
Questions and Answers Rated A+ |
Latest Update 2025/2026
A managed network switch is being used in the cabinet. What is needed
in the IP programming of the controller to get through the switch and to
the TOC?
- Correct Answer - Gateway
The pedestrian assembly (pedestrian 6) on the SW corner was damaged
in a traffic accident and the tech cannot repair until the following day.
What should the Tech do until they return to replace the pedestrian
assembly?
Correct Answer - Make wiring safe. Bag opposite signal display
pedestrian phase (6). Document in cabinet log book and work order
system. Notify supervisor that they need a pedestrian display assembly
and to schedule the installation.
After doing any repairs at a traffic signal which of the following is the
MOST IMPORTANT to do before leaving the intersection?
- Correct Answer - Observe signal is operating per plans.
,Which of the following could cause signals at an intersection to
repeatedly go into flash?
- Correct 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?
- Correct 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?
- Correct 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?
- Correct Answer - Verify input is received in the controller.
The Tech receives a call for a damaged signal head. When arriving on
the scene, what is the FIRST thing the technician does?
- Correct Answer - Observe the intersection.
, The technician arrives at an intersection where all the signals are out.
What does the technician do first?
- Correct Answer - check the line service to make sure there is main
power.
During scheduled preventative maintenance the Tech observes that the
catenary wire is cut next to a street sign on a span wire. What should the
tech do? - Correct Answer - Install a Strandvice inline of catenary wire,
and make a note in the work order for management to schedule
replacement of catenary wire.
After a trouble call, the tech observes that the catenary 9/16" strandvise
at the concrete pole is broken. What should the tech do?
- Correct Answer - Using a come along, loosen the 9/16" wire then
remove the broken 9/16" strandvise. Install the new 9/16" strandvise
onto the eyebolt on the pole than pull the 9/16" catenary steel wire
through the strandvise and release the tension on the come along
slowly.
When replacing a signal head, what is NOT important?
- Correct Answer - Manufacturer of signal.
How does the technician know that signal poles are installed in the
correct locations?
- Correct Answer - Check the intersection schematics/drawings.
Questions and Answers Rated A+ |
Latest Update 2025/2026
A managed network switch is being used in the cabinet. What is needed
in the IP programming of the controller to get through the switch and to
the TOC?
- Correct Answer - Gateway
The pedestrian assembly (pedestrian 6) on the SW corner was damaged
in a traffic accident and the tech cannot repair until the following day.
What should the Tech do until they return to replace the pedestrian
assembly?
Correct Answer - Make wiring safe. Bag opposite signal display
pedestrian phase (6). Document in cabinet log book and work order
system. Notify supervisor that they need a pedestrian display assembly
and to schedule the installation.
After doing any repairs at a traffic signal which of the following is the
MOST IMPORTANT to do before leaving the intersection?
- Correct Answer - Observe signal is operating per plans.
,Which of the following could cause signals at an intersection to
repeatedly go into flash?
- Correct 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?
- Correct 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?
- Correct 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?
- Correct Answer - Verify input is received in the controller.
The Tech receives a call for a damaged signal head. When arriving on
the scene, what is the FIRST thing the technician does?
- Correct Answer - Observe the intersection.
, The technician arrives at an intersection where all the signals are out.
What does the technician do first?
- Correct Answer - check the line service to make sure there is main
power.
During scheduled preventative maintenance the Tech observes that the
catenary wire is cut next to a street sign on a span wire. What should the
tech do? - Correct Answer - Install a Strandvice inline of catenary wire,
and make a note in the work order for management to schedule
replacement of catenary wire.
After a trouble call, the tech observes that the catenary 9/16" strandvise
at the concrete pole is broken. What should the tech do?
- Correct Answer - Using a come along, loosen the 9/16" wire then
remove the broken 9/16" strandvise. Install the new 9/16" strandvise
onto the eyebolt on the pole than pull the 9/16" catenary steel wire
through the strandvise and release the tension on the come along
slowly.
When replacing a signal head, what is NOT important?
- Correct Answer - Manufacturer of signal.
How does the technician know that signal poles are installed in the
correct locations?
- Correct Answer - Check the intersection schematics/drawings.
