IMSA LEVEL 1, Imsa traffic tech 1,
IMSA level 1 certification, IMSA Signal
Technician Level 1 End of Chapter
Questions, ISMA Traffic Signal
Technician II, Work Zone Temporary
Traffic Control Tech Pre-Quiz Exam
Questions & Answers Already Graded
A + 2026- 2027 Newest.
In what instances/areas is the loop sensitivity typically increased? - ANSWER-Presence of
bicycles
Vehicles with high ground clearance
As sensitivity is increased a loop detector has a tendency to do what? - ANSWER-"Lock" or
place a constant call
Advanced loops are usually square point loop detectors that are placed? - ANSWER-
Upstream from the stop line
,The advanced loops detect vehicles and add what to the cycle? - ANSWER-Extension
(passage) time
How is advanced loop placement calculated using what factors? - ANSWER-Speed of the
vehicles approaching the intersection
Safe stopping distance
Some advantages of video detection systems include: - ANSWER-Can operate during
roadway maintenance or construction
Provides a quick way to move vehicle detection zones
Can provide video images to a remote location
Can be used for incident assessment
Doesn't require cutting pavement
What can Doppler microwave detectors detect? - ANSWER-Volume
Occupancy
,Classification
Speed
FMCW microwave detectors can detect "what" in addition to volume, occupancy,
classification and speed? - ANSWER-Vehicle presence
What device is used for systems that use field master (closed loop systems) to control local
intersections? - ANSWER-Dial-up modem
How do dial up modems function? - ANSWER-Data transmitted to the dial-up line, then
over telephone company's infrastructure back to the central computer
Dial-up modems provide what in relation to the transition of data? - ANSWER-Reliability
Efficiency
What does the use of fiber optic cables provide an agency? - ANSWER-Much higher
capability for transmission of data
, What are the two types of fiber optic cables commonly used? - ANSWER-Single-mode
Multi-mode
What does POF stand for? - ANSWER-Plastic optical fiber
The fibers used in long distance telecommunications applications are always made of
which material? - ANSWER-Glass
What is used to test the continuity of fiber optic cables? - ANSWER-Fiber optic tracker
Pocket visual fault locator
What are the two general types of radios available for traffic control systems? - ANSWER-
Licensed or unlicensed
The annual inventory should include what? - ANSWER-Model and serial numbers of all
equipment
IMSA level 1 certification, IMSA Signal
Technician Level 1 End of Chapter
Questions, ISMA Traffic Signal
Technician II, Work Zone Temporary
Traffic Control Tech Pre-Quiz Exam
Questions & Answers Already Graded
A + 2026- 2027 Newest.
In what instances/areas is the loop sensitivity typically increased? - ANSWER-Presence of
bicycles
Vehicles with high ground clearance
As sensitivity is increased a loop detector has a tendency to do what? - ANSWER-"Lock" or
place a constant call
Advanced loops are usually square point loop detectors that are placed? - ANSWER-
Upstream from the stop line
,The advanced loops detect vehicles and add what to the cycle? - ANSWER-Extension
(passage) time
How is advanced loop placement calculated using what factors? - ANSWER-Speed of the
vehicles approaching the intersection
Safe stopping distance
Some advantages of video detection systems include: - ANSWER-Can operate during
roadway maintenance or construction
Provides a quick way to move vehicle detection zones
Can provide video images to a remote location
Can be used for incident assessment
Doesn't require cutting pavement
What can Doppler microwave detectors detect? - ANSWER-Volume
Occupancy
,Classification
Speed
FMCW microwave detectors can detect "what" in addition to volume, occupancy,
classification and speed? - ANSWER-Vehicle presence
What device is used for systems that use field master (closed loop systems) to control local
intersections? - ANSWER-Dial-up modem
How do dial up modems function? - ANSWER-Data transmitted to the dial-up line, then
over telephone company's infrastructure back to the central computer
Dial-up modems provide what in relation to the transition of data? - ANSWER-Reliability
Efficiency
What does the use of fiber optic cables provide an agency? - ANSWER-Much higher
capability for transmission of data
, What are the two types of fiber optic cables commonly used? - ANSWER-Single-mode
Multi-mode
What does POF stand for? - ANSWER-Plastic optical fiber
The fibers used in long distance telecommunications applications are always made of
which material? - ANSWER-Glass
What is used to test the continuity of fiber optic cables? - ANSWER-Fiber optic tracker
Pocket visual fault locator
What are the two general types of radios available for traffic control systems? - ANSWER-
Licensed or unlicensed
The annual inventory should include what? - ANSWER-Model and serial numbers of all
equipment
