Phasing
The method that assigns numbers to each of eight intersection movements.
NEMA Phasing
Visual representation of the electrical system for a signal.
Signal Wiring Diagram
The brains of the signal.
Signal Controller
Wireless form of signal communication.
Radio
This operation allows left turning movements to proceed only after yielding to conflicting traffic and pedestrians.
Permissive Only Left Turn Phase
MUTCD Stands for?
Manual on Uniform Traffic Control Devices
Also known as a five-section signal head.
Doghouse
National Publication for traffic signal standards and warrants.
MUTCD
Name for the separation between groups of phases that can run concurrently.
Barrier
Locate on upper left of the plan, includes intersection diagrams, signal head intervals, and phasing.
MST Chart
Used to add additional space in the cabinet; typically for battery backup.
Riser
First traffic signal was installed in this city.
London
This movement is typically runs parallel to the vehicle movements.
Pedestrian movement
My name is Traffic Signal Design Manual. Which Pub am I?
Pub 149
Component that monitors the signal for faults.
MMU or Conflict Monitor
Detection that assigns right of way to first responders.
Emergency Vehicle Preemption
left turn operation where drivers are given a period of right of way and a period to turn after yielding to opposing movements.
Protected-permissive left-turn phase
Freeway ONLY analysis tool utilized for temporary traffic conditions.
FREEVAL
Receives controller outputs and converts them to signal head inputs.
Load Switches
Device that receives loop detector inputs and transmits them to the controller.
Loop Detector Card.