AMPA Regional ITS Architecture Update

Element Expanded Functional Requirements: City of Rio Rancho Traffic Signals


Functional Area: Roadway Signal Priority
  1. The field element shall respond to signal priority requests from transit vehicles.
Functional Area: Roadway Signal Controls
  1. The field element shall control traffic signals under center control.
  2. The field element shall respond to pedestrian crossing requests by accommodating the pedestrian crossing.
  3. The field element shall provide the capability to notify the traffic management center of pedestrian calls and pedestrian accommodations.
  4. The field element shall report the current signal control information to the center.
  5. The field element shall report current preemption status to the center.
  6. The field element shall return traffic signal controller operational status to the center.
  7. The field element shall return traffic signal controller fault data to the center.
  8. The field element shall report current transit priority status to the center.
  9. The field element shall adaptively adjust signal timing based on sensor based inputs.
Functional Area: Roadway Field Device Monitoring
  1. The field element shall monitor the operational status (state of the device, configuration, and fault data) of connected sensors (such as traffic, infrastructure, environmental, security, speed) and devices (such as highway advisory radio, dynamic message signs, automated roadway treatment systems, barrier and safeguard systems, cameras, traffic signals, ramp meters, short range communications equipment, security surveillance equipment).
  2. The field element shall send operational status of connected field equipment to the maintenance center.
  3. The field element shall send collected fault data to the maintenance center for repair.
  4. The field element shall include a local interface that provides operational status and fault data for connected field equipment to field personnel.
  5. The field element shall include a local interface that allows field personnel to command diagnostic tests on connected field equipment.
Functional Area: Roadway Signal Preemption
  1. The field element shall respond to signal preemption requests from emergency vehicles.