City of Andover Roadside Equipment

Interconnects - Flows - Entities - Services - Functional Requirements

Definition:

City of Andover's Signal System Equipment.

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Systems Interconnected
with the City of Andover Roadside Equipment

City of Andover TOC

Interconnect Diagram

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Architecture Flow Diagrams
which include City of Andover Roadside Equipment:

• City of Andover Roadside Equipment City of Andover TOC

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Architecture Flows
to/from the City of Andover Roadside Equipment:

City of Andover Roadside EquipmentCity of Andover TOC

• roadway information system status


• signal control status


• traffic flow

City of Andover TOCCity of Andover Roadside Equipment

• roadway information system data


• signal control data


• traffic sensor control

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National ITS Architecture Subsystems
mapped to the City of Andover Roadside Equipment:

• Roadway Subsystem

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National ITS Architecture Services
associated with City of Andover Roadside Equipment:

• ATMS01 - City of Andover Network Surveillance -- (Graphic)
• ATMS03 - City of Andover Surface Street Control -- (Graphic)

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National ITS Architecture Functional Requirements
associated with City of Andover Roadside Equipment:

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 monitor operation of traffic signal controllers and report to the center any instances in which the indicator response does not match that expected from the indicator control information.
3. The field element shall monitor operation of traffic signal controllers and report to the center any instances in which the indicator response does not match that expected from known indicator preemptions.
4. The field element shall return traffic signal controller operational status to the controlling center.