City of Norfolk STC
Status:
Existing
Definition:
City of Norfolk Smart Traffic Center (STC) is a nerve center of an integrated system of advanced technologies including computer software, traffic cameras, centralized signal system for the City of Norfolk. From the City of Norfolk STC, the operators monitor and manage traffic, as well as recognize and respond to incidents. The City of Norfolk STC also instantly delivers information and shares video with the VDOT Hampton Roads TOC.
Stakeholder:
City of Norfolk Public Works Department
Systems Interconnected
with the City of Norfolk STC
Interconnect
Diagram
Diagram
Architecture Flow Diagrams
which include City of Norfolk STC:
- City of Norfolk STC
City of Chesapeake TMC - City of Norfolk STC City of Hampton TMC
- City of Norfolk STC City of Norfolk STC Field Equipment
- City of Norfolk STC City of Virginia Beach TMC
- City of Norfolk STC Hampton Roads Local Public Safety Centers
- City of Norfolk STC Media Outlets
- City of Norfolk STC Statewide Video Distribution Services
- City of Norfolk STC TIDE Light Rail Operations
- City of Norfolk STC VDOT ADMS
- City of Norfolk STC VDOT ERO TOC/ATMS
- City of Norfolk STC VDOT RTIMIS
- City of Norfolk STC VSP Center
Architecture Flows
to/from the City of Norfolk STC:
City of Norfolk STC 
City of Chesapeake TMC City of Hampton TMC City of Norfolk STC Field Equipment City of Virginia Beach TMC Media Outlets Statewide Video Distribution Services TIDE Light Rail Operations VDOT ADMS VDOT ERO TOC/ATMS VDOT RTIMIS VSP CenterCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCCity of Norfolk STCNational ITS Architecture Subsystems
mapped to the City of Norfolk STC:
- 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 Norfolk STC:
- MC05 - Roadway Maintenance and Construction - Cities -- (Graphic)
- MC06 - Work Zone Management - Cities -- (Graphic)
- TM01 - Infrastructure-Based Traffic Surveillance - City of Norfolk STC -- (Graphic)
- TM03 - Surface Street Control - City of Norfolk STC -- (Graphic)
- TM06 - Traffic Information Dissemination - City of Norfolk STC -- (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 Norfolk STC:
TMC Incident Detection
- The center shall collect and store traffic flow and image data from the field equipment to detect and verify incidents.
- The center shall provide video and traffic sensor control commands to the field equipment to detect and verify incidents.
- The center shall provide road network conditions and traffic images to emergency management centers to support the detection, verification, and classification of incidents.
- The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters and traveler information service providers.
- 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.
- 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.
- The center shall remotely control dynamic messages signs for dissemination of traffic and other information to drivers.
- The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, parking facilities, and traveler information providers.
- 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.
- The center shall collect fault data for the driver information systems equipment (DMS, HAR, etc.) for repair.
- The center shall collect operational status for the driver information systems equipment (DMS, HAR, etc.).
- 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.
- The center shall remotely control traffic signal controllers.
- The center shall accept notifications of pedestrian calls.
- The center shall collect traffic signal controller fault data from the field.
- The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
- 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.