Local Signal Centers

Status: Existing

Description: The element captures agencies that operate signal systems in Culpeper District with similar functionality such as City of Charlottesville, City of Harrisonburg, and City of Winchester.

Stakeholder: Local Public Works Agencies

Architecture Flow Diagrams
which include Local Signal Centers:

• Local Signal Centers Local Field Equipment
• Local Signal Centers VDOT NWRO TOC/ATMS
• Local Signal Centers VSP Division Office

Architecture Flows
to/from the Local Signal Centers:

Local Signal Centers Local Field Equipment

• roadway dynamic signage data


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control

Local Signal Centers VDOT NWRO TOC/ATMS

• emergency traffic coordination


• incident information


• resource deployment status


• resource request


• road network conditions

Local Signal Centers VSP Division Office

• emergency traffic control information


• incident information


• resource deployment status


• resource request


• road network conditions

Local Field EquipmentLocal Signal Centers

• right-of-way request notification


• roadway dynamic signage status


• signal control status


• signal fault data


• traffic images

VDOT NWRO TOC/ATMSLocal Signal Centers

• emergency traffic coordination


• incident information


• resource deployment status


• resource request


• road network conditions

VSP Division OfficeLocal Signal Centers

• emergency plan coordination


• emergency traffic control request


• incident information


• incident response coordination


• incident response status


• resource deployment status


• resource request


• threat information


• transportation system status

National ITS Architecture Subsystems
mapped to the Local Signal Centers:

• Archived Data User System Terminator
• Emergency Management Center Subsystem
• Traffic Management Center Subsystem

National ITS Architecture Services
associated with Local Signal Centers:

• MC05 - Roadway Maintenance and Construction - NWR -- (Graphic)
• MC06 - Work Zone Management - NWR -- (Graphic)
• MC06 - Work Zone Management - NWR -- (Graphic)
• TM01 - Infrastructure-Based Traffic Surveillance - Local Signal Centers -- (Graphic)
• TM03 - Surface Street Control - Local Signal Centers -- (Graphic)
• TM07 - Regional Traffic Management (PSAP I-64 CIP) -- (Graphic)