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Hampton Roads District Local Signal Centers

Status:

Existing

Definition:

The element captures agencies that operate signal systems in Hampton Roads with similar functionality. Examples of these agencies are the City of Poquson, City of Williamsburg, Isle of Wight County and City of Emporia.

Stakeholder:

Hampton Roads District Local Signal Agencies

Systems Interconnected
with the Hampton Roads District Local Signal Centers


Architecture Flow Diagrams
which include Hampton Roads District Local Signal Centers:

Architecture Flows
to/from the Hampton Roads District Local Signal Centers:

Hampton Roads District Local Signal Centers flows into icon Freight Rail Operations Hampton Roads District Local Signal Centers flows into icon Hampton Roads District Local Field Equipment Hampton Roads District Local Signal Centers flows into icon HRT Operations Centers Hampton Roads District Local Signal Centers flows into icon VDOT Hampton Roads District Maintenance and Construction Residencies Hampton Roads District Local Signal Centers flows into icon VDOT VaTraffic Freight Rail Operationsflows into iconHampton Roads District Local Signal Centers Hampton Roads District Local Field Equipmentflows into iconHampton Roads District Local Signal Centers Hampton Roads Local Public Safety Centersflows into iconHampton Roads District Local Signal Centers Hampton Roads Local Public Safety Mobile Centersflows into iconHampton Roads District Local Signal Centers HRT Operations Centersflows into iconHampton Roads District Local Signal Centers Special Event Promotersflows into iconHampton Roads District Local Signal Centers VDOT Hampton Roads District Maintenance and Construction Residenciesflows into iconHampton Roads District Local Signal Centers VDOT VaTrafficflows into iconHampton Roads District Local Signal Centers Weather Service Providersflows into iconHampton Roads District Local Signal Centers

National ITS Architecture Subsystems
mapped to the Hampton Roads District Local Signal Centers:

National ITS Architecture Services
associated with Hampton Roads District Local Signal Centers:

National ITS Architecture Functional Requirements
associated with Hampton Roads District Local Signal Centers:

TMC Signal Control
  1. The center shall remotely control traffic signal controllers.
  2. The center shall accept notifications of right-of-way requests from pedestrians.
  3. The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
  4. The center shall collect traffic signal controller fault data from the field.
  5. The center shall implement control plans to coordinate signalized intersections, under control of center personnel, based on data from sensors and surveillance monitoring traffic conditions, incidents, emergency vehicle preemptions, the passage of commercial vehicles with unusual loads, equipment faults, pedestrian crossings, etc.
TMC Traffic Information Dissemination
  1. The center shall retrieve locally stored traffic information, including current and forecasted traffic information, road and weather conditions, traffic incident information, information on diversions and alternate routes, closures, and special traffic restrictions (lane/shoulder use, weight restrictions, width restrictions, HOV requirements), and the definition of the road network itself.
  2. The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, and traveler information providers.
Traffic Data Collection
  1. The center shall collect traffic management data such as operational data, event logs, etc.
  2. The center shall assign quality control metrics and meta-data to be stored along with the data. Meta-data may include attributes that describe the source and quality of the data and the conditions surrounding the collection of the data.
  3. The center shall receive and respond to requests from ITS Archives for either a catalog of the traffic data or for the data itself.
  4. The center shall be able to produce sample products of the data available.