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Richmond District Local Signal Center Field Equipment

Status:

Existing

Definition:

These devices are typically located along the roadside and are controlled by operators in the Signal Center which aids them in monitoring and managing traffic conditions.

Stakeholder:

Richmond District Local Public Works Agencies

Architecture Flow Diagrams
which include Richmond District Local Signal Center Field Equipment:

• Richmond District Local Signal Center Field Equipment Richmond District Local Public Safety Vehicles
• Richmond District Local Signal Center Field Equipment Richmond District Local Signal Centers

Architecture Flows
to/from the Richmond District Local Signal Center Field Equipment:

Richmond District Local Signal Center Field Equipment Richmond District Local Signal Centers

• right-of-way request notification


• roadway dynamic signage status


• traffic images

Richmond District Local Public Safety VehiclesRichmond District Local Signal Center Field Equipment

• local signal preemption request

Richmond District Local Signal CentersRichmond District Local Signal Center Field Equipment

• roadway dynamic signage data


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control

National ITS Architecture Subsystems
mapped to the Richmond District Local Signal Center Field Equipment:

• Connected Vehicle Roadside Equipment Subsystem
• ITS Roadway Equipment Subsystem

National ITS Architecture Services
associated with Richmond District Local Signal Center Field Equipment:

• TM03 - Surface Street Control - Richmond District Local Signal Center -- (Graphic)

National ITS Architecture Functional Requirements
associated with Richmond District Local Signal Center Field Equipment:

Roadway Basic Surveillance

1. The field element shall collect, process, digitize, and send traffic sensor data (speed, volume, and occupancy) to the center for further analysis and storage, under center control.
2. The field element shall return sensor and CCTV system operational status to the controlling center.
3. The field element shall collect, process, and send traffic images to the center for further analysis and distribution.

Roadway Signal Control

1. The field element shall return traffic signal controller fault data to the center.
2. The field element shall return traffic signal controller operational status to the center.
3. The field element shall report current preemption status to the center.
4. The field element shall control traffic signals under center control.