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Hampton Roads District Local Field Equipment

Status:

Existing

Definition:

This field equipment represents the field equipments that are used by non VDOT traffic signal operations centers in this region.

Stakeholder:

Hampton Roads District Local Signal Agencies

Architecture Flow Diagrams
which include Hampton Roads District Local Field Equipment:

• Hampton Roads District Local Field Equipment Hampton Roads District Local Signal Centers

Architecture Flows
to/from the Hampton Roads District Local Field Equipment:

Hampton Roads District Local Field Equipment Hampton Roads District Local Signal Centers

• barrier system status


• hri status


• request for right-of-way


• roadway information system status


• signal control status


• traffic images


• traffic probe data

Hampton Roads District Local Signal CentersHampton Roads District Local Field Equipment

• barrier system control


• roadway information system data


• signal control data


• traffic sensor control


• video surveillance control

National ITS Architecture Subsystems
mapped to the Hampton Roads District Local Field Equipment:

• Roadway Subsystem

National ITS Architecture Services
associated with Hampton Roads District Local Field Equipment:

• ATMS01 - Network Surveillance - Hampton Roads District Local Signal Centers -- (Graphic)
• ATMS03 - Surface Street Control - Hampton Roads District Local Signal Centers -- (Graphic)

National ITS Architecture Functional Requirements
associated with Hampton Roads District Local 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.

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 collect pedestrian images and pedestrian sensor data, and respond to pedestrian crossing requests via display, audio signal, or other manner.

Roadway Traffic Information Dissemination

1. The field element shall include pedestrian information systems under center control (e.g. warning pedestrians of a potential hazard, or providing mandatory instructions as to the availability of pedestrian access).