IMSA LEVEL 1 EXAMINATION SCRIPT 2025/2026
QUESTIONS WITH SOLUTION GRADED A+
✔✔Preemption operates in a hierarchy, what are the first two priorities 1 and 2? -
✔✔Railroad and drawbridges
✔✔Emergency vehicles have what number of priorities? - ✔✔3,4,5,6
✔✔What operates on the lower hierarchy 7-10? - ✔✔Public transportation, buses, and
light rail.
✔✔What are four common types of EVP detectors? - ✔✔GPS, radio frequency,
acoustic and infrared
✔✔If a damage ped button is not placing a call to the controller what should you do? -
✔✔Place the ped on ped recall until repairs can be made
✔✔Ped button shall be located no greater than ______ from the side of the ramp? -
✔✔5 feet
✔✔When calculating the ped clearance time how many feet per second to you use? -
✔✔3.5 ft/ sec.
✔✔What does it mean when a pet sees a flashing don't walk signal? - ✔✔Finish
crossing the street if already in the crosswalk
✔✔What does RRFB stand for? - ✔✔Rectangular Rapid Flashing Beacon
✔✔Where do you install RRFB's? - ✔✔Unsignalized ped crossing or mid block crossing
✔✔What does HAWK stand for? - ✔✔High-Intensity Activated Crosswalk
✔✔What type of signal is allowed to be dark if it is sitting in idle? - ✔✔HAWK Signal
✔✔What is the purpose of a school zone flasher? - ✔✔Alert drivers to slow down
✔✔Responding to a signal that is flashing red what do you check first? - ✔✔CMU for
faults
✔✔Responding to a blacked out intersection, what is the first thing you check? -
✔✔Cabinet voltage
, ✔✔Responding to oversize load, what should you verify for best alternative route? -
✔✔Route, dimensions, height, width and weight
✔✔After determining the battery back up is not operational, what should you do first
before connecting to a generator? - ✔✔Disconnect the main electrical service.
✔✔When responding to damage buried cable conductors, the first thing to do is? -
✔✔Identify the damage, conductors or cables
✔✔Tether wires - ✔✔Support the bottom of the signal head and reduces the effect of
them swinging in the wind
✔✔Splashover - ✔✔Loop sensitivity should be turned down if it is detecting vehicle in
adjacent lanes
✔✔Loops - operation concerns - ✔✔Cross talk may be solved by grounding the drain
wire in the home run cable
✔✔Crosstalk - ✔✔Electrical interference, causing false calls, multiple calls, or no call
situations.
✔✔Ped button clearance - ✔✔If acces is obstructed, the affected phase should be
placed on pet recall until access is cleared.
✔✔Ped button - ✔✔When testing any pedestrian button verify if it is placing a call to the
controller.
✔✔Offset - ✔✔The last thing you always do before leaving a traffic signal cabinet, is to
verify the date and time in the controller and monitor is so equipped
✔✔What best describes a barrier? - ✔✔An interlock in a multi ring controller
✔✔Series circuit - ✔✔Current remains the same throughout all components
✔✔Voltage - ✔✔It's like water pressure
✔✔Current - ✔✔It's like the amount of water flowing
✔✔Resistance - ✔✔It's like the size of the pipe
✔✔Power - ✔✔Is the amount of energy consumed
QUESTIONS WITH SOLUTION GRADED A+
✔✔Preemption operates in a hierarchy, what are the first two priorities 1 and 2? -
✔✔Railroad and drawbridges
✔✔Emergency vehicles have what number of priorities? - ✔✔3,4,5,6
✔✔What operates on the lower hierarchy 7-10? - ✔✔Public transportation, buses, and
light rail.
✔✔What are four common types of EVP detectors? - ✔✔GPS, radio frequency,
acoustic and infrared
✔✔If a damage ped button is not placing a call to the controller what should you do? -
✔✔Place the ped on ped recall until repairs can be made
✔✔Ped button shall be located no greater than ______ from the side of the ramp? -
✔✔5 feet
✔✔When calculating the ped clearance time how many feet per second to you use? -
✔✔3.5 ft/ sec.
✔✔What does it mean when a pet sees a flashing don't walk signal? - ✔✔Finish
crossing the street if already in the crosswalk
✔✔What does RRFB stand for? - ✔✔Rectangular Rapid Flashing Beacon
✔✔Where do you install RRFB's? - ✔✔Unsignalized ped crossing or mid block crossing
✔✔What does HAWK stand for? - ✔✔High-Intensity Activated Crosswalk
✔✔What type of signal is allowed to be dark if it is sitting in idle? - ✔✔HAWK Signal
✔✔What is the purpose of a school zone flasher? - ✔✔Alert drivers to slow down
✔✔Responding to a signal that is flashing red what do you check first? - ✔✔CMU for
faults
✔✔Responding to a blacked out intersection, what is the first thing you check? -
✔✔Cabinet voltage
, ✔✔Responding to oversize load, what should you verify for best alternative route? -
✔✔Route, dimensions, height, width and weight
✔✔After determining the battery back up is not operational, what should you do first
before connecting to a generator? - ✔✔Disconnect the main electrical service.
✔✔When responding to damage buried cable conductors, the first thing to do is? -
✔✔Identify the damage, conductors or cables
✔✔Tether wires - ✔✔Support the bottom of the signal head and reduces the effect of
them swinging in the wind
✔✔Splashover - ✔✔Loop sensitivity should be turned down if it is detecting vehicle in
adjacent lanes
✔✔Loops - operation concerns - ✔✔Cross talk may be solved by grounding the drain
wire in the home run cable
✔✔Crosstalk - ✔✔Electrical interference, causing false calls, multiple calls, or no call
situations.
✔✔Ped button clearance - ✔✔If acces is obstructed, the affected phase should be
placed on pet recall until access is cleared.
✔✔Ped button - ✔✔When testing any pedestrian button verify if it is placing a call to the
controller.
✔✔Offset - ✔✔The last thing you always do before leaving a traffic signal cabinet, is to
verify the date and time in the controller and monitor is so equipped
✔✔What best describes a barrier? - ✔✔An interlock in a multi ring controller
✔✔Series circuit - ✔✔Current remains the same throughout all components
✔✔Voltage - ✔✔It's like water pressure
✔✔Current - ✔✔It's like the amount of water flowing
✔✔Resistance - ✔✔It's like the size of the pipe
✔✔Power - ✔✔Is the amount of energy consumed
