TB 133 Traffic Signal Preemption System for Emergency Vehicles Flashcards
Los Angeles Fire Department (LAFD) in collaboration with the ______ has developed a system that automatically turns traffic lights green for emergency vehicles traveling on designated streets in the City.
Los Angeles Department of Transportation (LADOT)
The LADOT ____ (FPS) will reduce fire response times and improve public safety when emergency vehicles are passing through intersections.
Fire Preemption System
The FPS is based on the existing ____ (TPS) infrastructure.
Transit Priority System
The LAFD is installing ____ on all emergency response vehicles.
transponders
In January 2008, the first FPS route located on ___ was activated and all 27 Metro Rapid Bus routes will be configured for fire preemption by July 2010.
Broadway
Preemption causes the traffic signal to immediately begin clearing pedestrians from all crosswalks with flashing “___” indications.
DON’T WALK
The traffic signal will cycle and turn green for ____, as soon as the pedestrian clearing time ends and stays green until the vehicle passes through, while cross-traffic gets a red signal.
emergency vehicles
Drivers of all emergency apparatus must use caution as pedestrians ___ on “DON’T WALK” warning.
may still cross
Each emergency vehicle is outfitted with a radio transponder which broadcasts a unique signal dedicated to the shop number of each apparatus that is detected by ___ system embedded in the roadway just before crosswalks.
low voltage loop
FPS is able to trigger multiple traffic signals in advance for oncoming emergency vehicles, giving them a _____.
series of green lights
An indication that the system is working properly is that the “_____” indicator will flash in all four directions.
DON’T WALK
Transponder is securely mounted ____ above the ground in front bumper of apparatus to trip loops.
12 to 18 inches
Apparatus must hit at least_____, to activate priority system.
two loops (street lights)
Apparatus can now be tracked by ______.
LADOT Control Center
System is active until apparatus ___ and then two loops must be tripped again in order to continue with preemption.
turns off designated route
