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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

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

• Hampton Roads District Local Signal Centers Freight Rail Operations
• Hampton Roads District Local Signal Centers Hampton Roads District Local Field Equipment
• Hampton Roads District Local Signal Centers Hampton Roads Local Public Safety Centers
• Hampton Roads District Local Signal Centers HRT Operations Centers
• Hampton Roads District Local Signal Centers Special Event Promoters
• Hampton Roads District Local Signal Centers VDOT Hampton Roads District Maintenance and Construction Residencies
• Hampton Roads District Local Signal Centers VDOT VaTraffic
• Hampton Roads District Local Signal Centers Weather Service Providers

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

Hampton Roads District Local Signal Centers Freight Rail Operations

• rail crossing advisories

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

• barrier system control


• roadway dynamic signage data


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control


• video surveillance control

Hampton Roads District Local Signal Centers HRT Operations Centers

• alternate mode information


• emergency traveler information


• incident information


• incident response status


• parking information


• road network conditions


• traffic control priority status


• traffic images


• transit service information

Hampton Roads District Local Signal Centers VDOT Hampton Roads District Maintenance and Construction Residencies

• work plan feedback

Hampton Roads District Local Signal Centers VDOT VaTraffic

• alert status


• emergency routes


• incident information


• incident response coordination


• incident response status


• resource deployment status


• resource request


• road network conditions


• road network status assessment

Freight Rail OperationsHampton Roads District Local Signal Centers

• railroad advisories


• railroad schedules

Hampton Roads District Local Field EquipmentHampton Roads District Local Signal Centers

• barrier system status


• rail crossing status


• right-of-way request notification


• roadway dynamic signage status


• signal control status


• signal fault data


• traffic images


• traffic situation data

Hampton Roads Local Public Safety CentersHampton Roads District Local Signal Centers

• emergency traffic control request


• evacuation information


• incident information

HRT Operations CentersHampton Roads District Local Signal Centers

• alternate mode information


• emergency transit schedule information


• emergency transit service response


• parking information


• road network conditions


• traffic control priority request


• traffic images


• transit and fare schedules


• transit emergency data


• transit fare information


• transit incident information


• transit service information


• transit system data

Special Event PromotersHampton Roads District Local Signal Centers

• event plans

VDOT Hampton Roads District Maintenance and Construction ResidenciesHampton Roads District Local Signal Centers

• alert status


• current infrastructure restrictions


• emergency plan coordination


• equipment maintenance status


• incident information


• maint and constr resource response


• maint and constr work plans


• road network status assessment


• road weather information


• roadway maintenance status


• work zone information

VDOT VaTrafficHampton Roads District Local Signal Centers

• alert notification


• current infrastructure restrictions


• emergency route request


• emergency traffic control request


• evacuation information


• incident information


• incident response status


• resource deployment status


• resource request


• road network status assessment


• road network traffic situation data


• road weather information


• roadway maintenance status


• transportation system status

Weather Service ProvidersHampton Roads District Local Signal Centers

• environmental conditions data status


• qualified environmental conditions data


• weather information

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

• Archived Data User System Terminator
• Connected Vehicle Roadside Equipment Subsystem
• Data Distribution System Subsystem
• Emergency Management Center Subsystem
• ITS Roadway Equipment Subsystem
• Traffic Management Center Subsystem
• Transportation Information Center Subsystem

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

• MC06 - Work Zone Management - Cities -- (Graphic)
• MC06 - Work Zone Management - Virginia ER Region -- (Graphic)
• PT09 - Transit Signal Priority - HRT -- (Graphic)
• TM01 - Infrastructure-Based Traffic Surveillance - Hampton Roads District Local Signal Centers -- (Graphic)
• TM03 - Surface Street Control - Hampton Roads District Local Signal Centers -- (Graphic)

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

TMC Traffic Information Dissemination

1. The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, parking facilities, and traveler information providers.
2. 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.

TMC Signal Control

1. The center shall manage (define, store and modify) control plans to coordinate signalized intersections, to be engaged at the direction of center personnel or according to a daily schedule.
2. The center shall remotely control traffic signal controllers.
3. The center shall accept notifications of pedestrian calls.
4. The center shall collect traffic signal controller fault data from the field.
5. The center shall collect traffic signal controller operational status and compare against the control information sent by the center.