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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 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

• request for right-of-way


• roadway information system status


• traffic images

Richmond District Local Signal CentersRichmond District Local Signal Center Field Equipment

• roadway information system data


• signal control data


• traffic sensor control

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

• Roadway Subsystem

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

• ATMS03 - 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 collect, process, and send traffic images to the center for further analysis and distribution.
3. The field element shall return sensor and CCTV system operational status to the controlling center.

Roadway Signal Controls

1. The field element shall control traffic signals at intersections and on main highways for urban and rural areas, under center control.
2. The field element shall return traffic signal controller operational status to the controlling center.
3. The field element shall return traffic signal controller fault data to the maintenance center for repair.