Local Signal Centers

Status: Existing

Description: 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: Local Signal Agencies

Architecture Flow Diagrams
which include Local Signal Centers:

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

Architecture Flows
to/from the Local Signal Centers:

Local Signal Centers Freight Rail Operations

• rail crossing advisories

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

Local Signal Centers 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

Local Signal Centers VDOT Hampton Roads District Maintenance and Construction Residencies

• work plan feedback

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 OperationsLocal Signal Centers

• railroad advisories


• railroad schedules

HRT Operations CentersLocal 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

Local Field EquipmentLocal 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

Local Public Safety CentersLocal Signal Centers

• emergency traffic control request


• evacuation information


• incident information

Special Event PromotersLocal Signal Centers

• event plans

VDOT Hampton Roads District Maintenance and Construction ResidenciesLocal 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 VaTrafficLocal 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 ProvidersLocal Signal Centers

• environmental conditions data status


• qualified environmental conditions data


• weather information

National ITS Architecture Subsystems
mapped to the 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 Local Signal Centers:

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