IMSA Traffic Signal Technician 1 Exam 2025 (Actual
Exam) | Complete Questions and Correct Answers
| Graded A+ | Verified Answers | Newest Exam
A "mast arms signal supports" is an assembly that typically includes what? ---------
CORRECT ANSWER-----------------A concrete foundation, a steel upright pole and a
steel" arms that is attached to the upright pole.
Typically the coastal areas require in mast arms supports? ---------CORRECT
ANSWER-----------------Much heavier steel, welds, connection bolts and
foundations that those more inland and in central states
Mast arms structures are typically made of ? ---------CORRECT ANSWER---------------
--Steel with galvanized finish to inhibit rust and corrosion
Several agencies have adopted what for mast arms? ---------CORRECT ANSWER-----
------------Have adopted colored finishes for aesthetic reason. Finishes are typically
painted on, or in some instances are applied as a powder coat finish over the
galvanized finish
What are some advantages for mast arm signal supports ? ---------CORRECT
ANSWER-----------------Less maintenance is required. Signal heads do not sag over
time or sway in high winds as they do when suspended on span wires
,High wind loading capabilities than span wires in coastal area that experience high
winds including tropical storms and hurricanes
Can enhanced with decorative bases tops and finishes for a more aesthetically
pleasing appearance
Which support have become the "support of choice" for many agencies? ---------
CORRECT ANSWER-----------------Mast arms signal supports
What are some disadvantages of mast arms supports ? ---------CORRECT ANSWER-
----------------They don't provide coverage for very large intersections because the
arms cannot extent
The cost for mast arm signal installation is typically significantly higher than that
of conventional span wire support system
Construction time is typically longer
The construction of large foundations can be difficult in areas that contain a lot of
underground utilities
,"Span wire supports are made up of ? ---------CORRECT ANSWER-----------------Two
or more poles that support one or more wires to which traffic signal heads and
their associated electrical cables are attached
Poles that sport "span wire assemblies are made out of ? ---------CORRECT
ANSWER-----------------From wood concrete or steel
What is a toll plaza signal? ---------CORRECT ANSWER-----------------It's a multiple
lanes where one or more lanes is sometimes closed to traffic,a lane use control
signal shall be installed above the center of each toll plaza lane to indicate the
open or close status of the control the lane.
What is a traffic signal cycle or other words ( cycle length) ? ---------CORRECT
ANSWER-----------------Is the total elapsed Time between the start of a specific
display until that display comes up again
The cycle is sometimes referred to as a ? & why ? ---------CORRECT ANSWER---------
--------" Dial" & because a rotating dial is used to control the timing of the various
signal displays
What is the traffic signal phase ? ---------CORRECT ANSWER-----------------Commonly
associated with the specific assigned timing function in the traffic signal controller
, If an intersection that has four through phases and four left turn faces is to be in?
---------CORRECT ANSWER-----------------Eight phase intersectionq
What are the "1-8 even phase numbers " asign too ? ---------CORRECT ANSWER-----
------------Through movements
What " phases" are the major-street through movements ? ---------CORRECT
ANSWER-----------------Phases 2 and 6
Odd Numbers are assigned to what "phase " ---------CORRECT ANSWER---------------
--Left turn phases
An intersection that has four through phases and four left turn faces is what ? -----
----CORRECT ANSWER-----------------Said to be in "eight phase intersection"
What is a interval ? ---------CORRECT ANSWER-----------------Is the amount of time
that a particular indication is giving during a phase
Exam) | Complete Questions and Correct Answers
| Graded A+ | Verified Answers | Newest Exam
A "mast arms signal supports" is an assembly that typically includes what? ---------
CORRECT ANSWER-----------------A concrete foundation, a steel upright pole and a
steel" arms that is attached to the upright pole.
Typically the coastal areas require in mast arms supports? ---------CORRECT
ANSWER-----------------Much heavier steel, welds, connection bolts and
foundations that those more inland and in central states
Mast arms structures are typically made of ? ---------CORRECT ANSWER---------------
--Steel with galvanized finish to inhibit rust and corrosion
Several agencies have adopted what for mast arms? ---------CORRECT ANSWER-----
------------Have adopted colored finishes for aesthetic reason. Finishes are typically
painted on, or in some instances are applied as a powder coat finish over the
galvanized finish
What are some advantages for mast arm signal supports ? ---------CORRECT
ANSWER-----------------Less maintenance is required. Signal heads do not sag over
time or sway in high winds as they do when suspended on span wires
,High wind loading capabilities than span wires in coastal area that experience high
winds including tropical storms and hurricanes
Can enhanced with decorative bases tops and finishes for a more aesthetically
pleasing appearance
Which support have become the "support of choice" for many agencies? ---------
CORRECT ANSWER-----------------Mast arms signal supports
What are some disadvantages of mast arms supports ? ---------CORRECT ANSWER-
----------------They don't provide coverage for very large intersections because the
arms cannot extent
The cost for mast arm signal installation is typically significantly higher than that
of conventional span wire support system
Construction time is typically longer
The construction of large foundations can be difficult in areas that contain a lot of
underground utilities
,"Span wire supports are made up of ? ---------CORRECT ANSWER-----------------Two
or more poles that support one or more wires to which traffic signal heads and
their associated electrical cables are attached
Poles that sport "span wire assemblies are made out of ? ---------CORRECT
ANSWER-----------------From wood concrete or steel
What is a toll plaza signal? ---------CORRECT ANSWER-----------------It's a multiple
lanes where one or more lanes is sometimes closed to traffic,a lane use control
signal shall be installed above the center of each toll plaza lane to indicate the
open or close status of the control the lane.
What is a traffic signal cycle or other words ( cycle length) ? ---------CORRECT
ANSWER-----------------Is the total elapsed Time between the start of a specific
display until that display comes up again
The cycle is sometimes referred to as a ? & why ? ---------CORRECT ANSWER---------
--------" Dial" & because a rotating dial is used to control the timing of the various
signal displays
What is the traffic signal phase ? ---------CORRECT ANSWER-----------------Commonly
associated with the specific assigned timing function in the traffic signal controller
, If an intersection that has four through phases and four left turn faces is to be in?
---------CORRECT ANSWER-----------------Eight phase intersectionq
What are the "1-8 even phase numbers " asign too ? ---------CORRECT ANSWER-----
------------Through movements
What " phases" are the major-street through movements ? ---------CORRECT
ANSWER-----------------Phases 2 and 6
Odd Numbers are assigned to what "phase " ---------CORRECT ANSWER---------------
--Left turn phases
An intersection that has four through phases and four left turn faces is what ? -----
----CORRECT ANSWER-----------------Said to be in "eight phase intersection"
What is a interval ? ---------CORRECT ANSWER-----------------Is the amount of time
that a particular indication is giving during a phase
