1|Page
ISMA TRAFFIC SIGNAL TECHNICIAN I ACTUAL EXAM
VERSION A NEWEST 2026 COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS|ALREADY
GRADED A+||BRAND NEW!!
Traffic volumes that show insufficient gaps exist on the
major street to allow minor street traffic to enter or cross
an intersection.
Road users at an intersection submitting a sufficient
number of requests for installation of a signal based on
local requirements.
Pedestrian volumes indicate a need in order to allow safe
crossing of a road
,2|Page
Cabinet power panels have a series of ___________ that
protect the electronic equipment inside the controller
cabinet against current overload. - ANSWER-Circuit
breakers
Flasher units flash at a rate of: - ANSWER-no less than 50
and no more than 60 per minute
a difference between NEMA cabinets and 170 cabinets is
NEMA cabinets - ANSWER-require connection with
harnesses pre-wired into the cabinet.
,3|Page
Controller cabinets can perform functions such as -
ANSWER-changing the signal indications, collecting and
analyzing vehicle could and communicating with other
contorllers
Which type of transmitter transmits low energy microwave
radiation at a detection zone? - ANSWER-Doppler
microwave radars detectors
a disadvantage of video detection systems is: - ANSWER-
may involve a higher initial installation cost
What activates a signal loop? - ANSWER-decrease in
inductance
, 4|Page
Loop detector installed in. double rectangle is called a -
ANSWER-quadrupole
what drives energy through the loop detector? - ANSWER-
loop amplifier
What is the primary function of the IMAS? - ANSWER-
Safety Education
IMSA Stands for - ANSWER-International Municipal Signal
Association
Which of the following is NOT an IMSA certification? -
ANSWER-Traffic Signal Level III Bridge Technician
ISMA TRAFFIC SIGNAL TECHNICIAN I ACTUAL EXAM
VERSION A NEWEST 2026 COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS|ALREADY
GRADED A+||BRAND NEW!!
Traffic volumes that show insufficient gaps exist on the
major street to allow minor street traffic to enter or cross
an intersection.
Road users at an intersection submitting a sufficient
number of requests for installation of a signal based on
local requirements.
Pedestrian volumes indicate a need in order to allow safe
crossing of a road
,2|Page
Cabinet power panels have a series of ___________ that
protect the electronic equipment inside the controller
cabinet against current overload. - ANSWER-Circuit
breakers
Flasher units flash at a rate of: - ANSWER-no less than 50
and no more than 60 per minute
a difference between NEMA cabinets and 170 cabinets is
NEMA cabinets - ANSWER-require connection with
harnesses pre-wired into the cabinet.
,3|Page
Controller cabinets can perform functions such as -
ANSWER-changing the signal indications, collecting and
analyzing vehicle could and communicating with other
contorllers
Which type of transmitter transmits low energy microwave
radiation at a detection zone? - ANSWER-Doppler
microwave radars detectors
a disadvantage of video detection systems is: - ANSWER-
may involve a higher initial installation cost
What activates a signal loop? - ANSWER-decrease in
inductance
, 4|Page
Loop detector installed in. double rectangle is called a -
ANSWER-quadrupole
what drives energy through the loop detector? - ANSWER-
loop amplifier
What is the primary function of the IMAS? - ANSWER-
Safety Education
IMSA Stands for - ANSWER-International Municipal Signal
Association
Which of the following is NOT an IMSA certification? -
ANSWER-Traffic Signal Level III Bridge Technician
