NRO Local TOCs - Inventory Element

Status: Existing

Definition:

The element captures non-VDOT signal systems in Northern Virginia. Examples of agencies with their own signal systems are the City of Alexandria, City of Fairfax, City of Falls Church, City of Fredericksburg, City of Manassas, City of Manassas Park, Arlington County, Town of Herndon, Town of Leesburg, and the Town of Vienna.

Stakeholder: NRO Local Traffic Agencies

Systems Interconnected with NRO Local TOCs

• HOT Operations Center
• MATOC Center
• National Weather Service
• NRO Local Field Equipment
• NRO Local Public Safety Centers
• NRO Local Transit Centers
• Private Sector ISP Centers
• RITIS
• VDOT NRO MPSTOC - Signal Center
• VDOT NRO MPSTOC - TOC
• VDOT Video Clearinghouses

Interconnect Diagram

Information Flow Diagrams which include NRO Local TOCs:

• NRO Local TOCs HOT Operations Center
• NRO Local TOCs MATOC Center
• NRO Local TOCs National Weather Service
• NRO Local TOCs NRO Local Field Equipment
• NRO Local TOCs NRO Local Public Safety Centers
• NRO Local TOCs NRO Local Transit Centers
• NRO Local TOCs Private Sector ISP Centers
• NRO Local TOCs RITIS
• NRO Local TOCs VDOT NRO MPSTOC - Signal Center
• NRO Local TOCs VDOT NRO MPSTOC - TOC
• NRO Local TOCs VDOT Video Clearinghouses

Information Flows to/from NRO Local TOCs:

NRO Local TOCs HOT Operations Center

• alert notification
• emergency plan coordination
• emergency route request
• emergency traffic control request
• evacuation information
• incident information
• incident response status
• resource deployment status
• resource request
• road network traffic probe data
• toll data request
• toll service change request
• traffic control coordination
• traffic information coordination
• transportation information for operations
• transportation system status

NRO Local TOCs MATOC Center

• emergency plan coordination
• incident information
• road network conditions

NRO Local TOCs NRO Local Field Equipment

• barrier system control
• roadway information system data
• signal control data
• traffic sensor control
• video surveillance control

NRO Local TOCs NRO Local Transit Centers

• emergency plan coordination
• incident information
• request transit information
• traffic control priority status

NRO Local TOCs Private Sector ISP Centers

• ISP coordination

NRO Local TOCs RITIS

• emergency archive data
• incident information
• road network conditions
• traffic archive data

NRO Local TOCs VDOT NRO MPSTOC - Signal Center

• evacuation coordination
• road network conditions
• traffic information coordination

NRO Local TOCs VDOT NRO MPSTOC - TOC

• emergency traffic control information
• emergency traffic control request
• evacuation coordination
• incident response coordination
• road network conditions
• traffic information coordination

HOT Operations CenterNRO Local TOCs

• alert status
• emergency plan coordination
• emergency routes
• emergency traffic control information
• incident information
• incident response status
• resource deployment status
• resource request
• road network conditions
• road network status assessment
• toll data
• toll service change response
• traffic control coordination
• traffic information coordination

MATOC CenterNRO Local TOCs

• emergency plan coordination
• incident information
• road network conditions

National Weather ServiceNRO Local TOCs

• environmental conditions data status
• qualified environmental conditions data
• weather information

NRO Local Field EquipmentNRO Local TOCs

• barrier system status
• hri status
• request for right-of-way
• roadway information system status
• signal control status
• traffic images
• traffic probe data

NRO Local Public Safety CentersNRO Local TOCs

• red light running system data

NRO Local Transit CentersNRO Local TOCs

• emergency plan coordination
• traffic control priority request
• transit and fare schedules
• transit incident information

Private Sector ISP CentersNRO Local TOCs

• ISP coordination

RITISNRO Local TOCs

• archive requests

VDOT NRO MPSTOC - Signal CenterNRO Local TOCs

• evacuation coordination
• road network conditions
• traffic information coordination

VDOT NRO MPSTOC - TOCNRO Local TOCs

• emergency plan coordination
• emergency traffic control information
• emergency traffic control request
• evacuation coordination
• incident response coordination
• road network conditions
• traffic information coordination

VDOT Video ClearinghousesNRO Local TOCs

• traffic images

National ITS Architecture Subsystems mapped to NRO Local TOCs:

• Emergency Management Subsystem
• Information Service Provider Subsystem
• Traffic Management Subsystem

National ITS Architecture Market Packages associated with NRO Local TOCs:

• APTS09 - Transit Signal Priority - WMATA -- (Graphic)
• APTS09 - Transit Signal Priority - NRO -- (Graphic)
• ATMS01 - Network Surveillance - NRO Local TOCs -- (Graphic)
• ATMS03 - Surface Street Control - NRO Local TOCs -- (Graphic)
• EM05 - Region-wide Transportation Infrastructure Protection -- (Graphic)
• MC08 - Work Zone Management - VDOT NOVA District -- (Graphic)

National ITS Architecture Functional Requirements associated with NRO Local TOCs:

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.

TMC Regional Traffic Management

1. The center shall exchange traffic information with other traffic management centers including incident information, congestion data, traffic data, signal timing plans, and real-time signal control information.

TMC Incident Detection

1. The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters, traveler information service providers, border crossings, and intermodal freight depots.

TMC Incident Dispatch Coordination/Communication

1. The center shall coordinate planning for incidents with emergency management centers - including pre-planning activities for disaster response, evacuation, and recovery operations.
2. The center shall share resources with allied agency centers to implement special traffic control measures, assist in clean up, verify an incident, etc. This may also involve coordination with maintenance centers.
3. The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters, traveler information service providers, media, border crossings, and rail operations centers.
4. The center shall coordinate information and controls with other traffic management centers.