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City of Suffolk TOC

Status:

Existing

Definition:

City of Suffolk TOC is a nerve center of an integrated system of advanced technologies including computer software, traffic cameras, centralized signal system for the City of Suffolk. From the City of Suffolk TOC, operators monitor and manage traffic as well as recognize and respond to incidents.

Stakeholder:

City of Suffolk Public Works Department

Architecture Flow Diagrams
which include City of Suffolk TOC:

• City of Suffolk TOC City of Chesapeake TMC
• City of Suffolk TOC City of Suffolk TOC Field Equipment
• City of Suffolk TOC Hampton Roads Local Public Safety Centers
• City of Suffolk TOC Media Outlets
• City of Suffolk TOC Statewide Video Distribution Services
• City of Suffolk TOC VDOT ADMS
• City of Suffolk TOC VDOT ERO TOC/ATMS
• City of Suffolk TOC VDOT Monitor-Merrimac Memorial Bridge-Tunnel (MMMBT) TOC
• City of Suffolk TOC VDOT RTIMIS
• City of Suffolk TOC VPA Port Rail Operations Center
• City of Suffolk TOC VSP Center

Architecture Flows
to/from the City of Suffolk TOC:

City of Suffolk TOC City of Chesapeake TMC

• emergency traffic coordination


• resource deployment status


• traffic images


• transportation system status

City of Suffolk TOC City of Suffolk TOC Field Equipment

• roadway dynamic signage data


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control


• video surveillance control

City of Suffolk TOC Hampton Roads Local Public Safety Centers

• traffic images

City of Suffolk TOC Media Outlets

• traffic information for media


• traveler information for media

City of Suffolk TOC Statewide Video Distribution Services

• alternate mode information


• emergency traveler information


• incident information


• parking information


• transit service information

City of Suffolk TOC VDOT ADMS

• traffic archive data

City of Suffolk TOC VDOT ERO TOC/ATMS

• device control request


• device data


• device status


• emergency traffic coordination


• incident information


• resource deployment status


• resource request


• road network conditions


• traffic images


• transportation system status

City of Suffolk TOC VDOT Monitor-Merrimac Memorial Bridge-Tunnel (MMMBT) TOC

• device control request


• device data


• device status


• emergency traffic coordination


• transportation system status

City of Suffolk TOC VDOT RTIMIS

• emergency traffic control information


• incident information


• incident response coordination


• incident response status

City of Suffolk TOC VPA Port Rail Operations Center

• emergency traffic coordination


• road network conditions


• traffic images

City of Suffolk TOC VSP Center

• evacuation coordination


• incident information


• incident response coordination


• incident response status


• resource deployment status


• road network conditions


• work zone information

City of Chesapeake TMCCity of Suffolk TOC

• device control request


• device data


• device status


• emergency traffic coordination


• resource deployment status


• resource request


• traffic images

City of Suffolk TOC Field EquipmentCity of Suffolk TOC

• roadway dynamic signage status


• signal control status


• signal fault data


• traffic detector data


• traffic images

Statewide Video Distribution ServicesCity of Suffolk TOC

• alternate mode information


• emergency traveler information


• incident information


• parking information


• road network conditions


• traffic images


• transit service information

VDOT ERO TOC/ATMSCity of Suffolk TOC

• device control request


• device data


• device status


• emergency traffic coordination


• incident information


• resource deployment status


• resource request


• road network conditions


• traffic images


• transportation system status

VDOT RTIMISCity of Suffolk TOC

• emergency traffic control request


• evacuation information


• incident information


• incident response coordination


• incident response status

VPA Port Rail Operations CenterCity of Suffolk TOC

• emergency traffic coordination

VSP CenterCity of Suffolk TOC

• evacuation coordination


• incident information


• incident response coordination


• incident response status


• resource request

National ITS Architecture Subsystems
mapped to the City of Suffolk TOC:

• Archived Data User System Terminator
• Data Distribution System Subsystem
• Emergency Management Center Subsystem
• Maint and Constr Management Center Subsystem
• Traffic Management Center Subsystem
• Transit Vehicle OBE Subsystem
• Transportation Information Center Subsystem

National ITS Architecture Services
associated with City of Suffolk TOC:

• MC05 - Roadway Maintenance and Construction - Cities -- (Graphic)
• MC06 - Work Zone Management - Cities -- (Graphic)
• TM01 - Infrastructure-Based Traffic Surveillance - City of Suffolk TOC -- (Graphic)
• TM03 - Surface Street Control - City of Suffolk TOC -- (Graphic)
• TM06 - Traffic Information Dissemination - City of Suffolk TOC -- (Graphic)
• TM07 - Regional Traffic Management (PSAP I-64 CIP) -- (Graphic)
• TM19 - Roadway Closure Management - Cities -- (Graphic)

National ITS Architecture Functional Requirements
associated with City of Suffolk TOC:

TMC Incident Detection

1. The center shall collect and store traffic flow and image data from the field equipment to detect and verify incidents.
2. The center shall provide video and traffic sensor control commands to the field equipment to detect and verify incidents.
3. The center shall provide road network conditions and traffic images to emergency management centers to support the detection, verification, and classification of incidents.
4. The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters and traveler information service providers.
5. The center shall receive inputs from the Alerting and Advisory System concerning the possibility or occurrence of severe weather, terrorist activity, or other major emergency, including information provided by the Emergency Alert System.
6. The center shall exchange incident and threat information with emergency management centers as well as maintenance and construction centers; including notification of existence of incident and expected severity, location, time and nature of incident.

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.