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VDOT Salem TOC

Status:

Existing

Definition:

VDOT Salem TOC is a nerve center of an integrated system of advanced technologies including computer software, traffic cameras,ramp meters. From the VDOT Salem TOC, VDOT monitors and manages traffic, recognizes and responds to incidents, and instantly delivers information to motorists. VDOT Salem Traffic Operations Center is responsible for monitoring and managing traffic in Southwestern Regional Operations area.

Stakeholder:

VDOT SWRO Region

Systems Interconnected
with the VDOT Salem TOC


Architecture Flow Diagrams
which include VDOT Salem TOC:

Architecture Flows
to/from the VDOT Salem TOC:

VDOT Salem TOC flows into icon Adjacent State DOT Systems VDOT Salem TOC flows into icon Freight Rail Operations VDOT Salem TOC flows into icon RRA Center VDOT Salem TOC flows into icon Special Event Promoters VDOT Salem TOC flows into icon SWR Local MPO VDOT Salem TOC flows into icon SWR Local Public Safety Centers VDOT Salem TOC flows into icon SWR Local Public Safety Mobile Centers VDOT Salem TOC flows into icon SWR Local Signal Centers VDOT Salem TOC flows into icon SWR Local Transit Center VDOT Salem TOC flows into icon VDOT ADMS VDOT Salem TOC flows into icon VDOT Asset Management System VDOT Salem TOC flows into icon VDOT Big Walker Mountain Tunnel VDOT Salem TOC flows into icon VDOT Critical Infrastructure Security System VDOT Salem TOC flows into icon VDOT East River Mountain Tunnel VDOT Salem TOC flows into icon VDOT Richmond TOC VDOT Salem TOC flows into icon VDOT Salem TOC Field Equipment VDOT Salem TOC flows into icon VDOT Staunton TOC VDOT Salem TOC flows into icon VDOT SWR Maintenance Residencies VDOT Salem TOC flows into icon VDOT SWR SSP Vehicles VDOT Salem TOC flows into icon VDOT SWR VDS VDOT Salem TOC flows into icon VDOT TEOC VDOT Salem TOC flows into icon VDOT VaTraffic VDOT Salem TOC flows into icon VDOT Video Clearinghouses VDOT Salem TOC flows into icon VDRPT Elliston Freight Facility VDOT Salem TOC flows into icon Virginia DMV Motor Carrier Service Centers VDOT Salem TOC flows into icon VSP Center VDOT Salem TOC flows into icon VSP Mobile Unified Command Center Adjacent State DOT Systemsflows into iconVDOT Salem TOC Freight Rail Operationsflows into iconVDOT Salem TOC National Weather Serviceflows into iconVDOT Salem TOC RRA Centerflows into iconVDOT Salem TOC Special Event Promotersflows into iconVDOT Salem TOC SWR Local MPOflows into iconVDOT Salem TOC SWR Local Public Safety Centersflows into iconVDOT Salem TOC SWR Local Public Safety Mobile Centersflows into iconVDOT Salem TOC SWR Local Signal Centersflows into iconVDOT Salem TOC SWR Local Transit Centerflows into iconVDOT Salem TOC VDOT ADMSflows into iconVDOT Salem TOC VDOT Asset Management Systemflows into iconVDOT Salem TOC VDOT Big Walker Mountain Tunnelflows into iconVDOT Salem TOC VDOT Critical Infrastructure Security Systemflows into iconVDOT Salem TOC VDOT East River Mountain Tunnelflows into iconVDOT Salem TOC VDOT ESS Weather Platformflows into iconVDOT Salem TOC VDOT Richmond TOCflows into iconVDOT Salem TOC VDOT Salem TOC Field Equipmentflows into iconVDOT Salem TOC VDOT Staunton TOCflows into iconVDOT Salem TOC VDOT SWR Maintenance Residenciesflows into iconVDOT Salem TOC VDOT SWR SSP Vehiclesflows into iconVDOT Salem TOC VDOT SWR VDSflows into iconVDOT Salem TOC VDOT TEOCflows into iconVDOT Salem TOC VDOT VaTrafficflows into iconVDOT Salem TOC VDOT Video Clearinghousesflows into iconVDOT Salem TOC VDRPT Elliston Freight Facilityflows into iconVDOT Salem TOC Virginia DMV Motor Carrier Service Centersflows into iconVDOT Salem TOC VSP Centerflows into iconVDOT Salem TOC VSP Mobile Unified Command Centerflows into iconVDOT Salem TOC

National ITS Architecture Subsystems
mapped to the VDOT Salem TOC:

National ITS Architecture Services
associated with VDOT Salem TOC:

National ITS Architecture Functional Requirements
associated with VDOT Salem TOC:

ITS Data Repository
  1. The center shall collect data to be archived from one or more data sources.
  2. The center shall include capabilities for error notification on the incoming archived data.
  3. The center shall include capabilities for archive to archive coordination.
Emergency Routing
  1. The center shall collect current traffic and road condition information for emergency vehicle route calculation.
  2. The center shall receive information on the location and status of traffic control equipment and work zones along potential emergency routes.
Incident Command
  1. The center shall provide tactical decision support, resource coordination, and communications integration for Incident Commands that are established by first responders to support local management of an incident.
  2. The center shall provide incident command communications with public safety, emergency management, transportation, and other allied response agency centers.
  3. The center shall track and maintain resource information and action plans pertaining to the incident command.
Emergency Evacuation Support
  1. The center shall manage inter-agency coordination of evacuation operations, from initial planning through the evacuation process and reentry.
  2. The center shall develop and exchange evacuation plans with allied agencies prior to the occurrence of a disaster.
Emergency Environmental Monitoring
  1. The center shall collect current and forecast road and weather information from weather service providers (such as the National Weather Service and value-added sector specific meteorological services).
  2. The center shall collect current road and weather information from roadway maintenance operations.
  3. The center shall assimilate current and forecast road conditions and surface weather information to support incident management.
Emergency Transportation Operations Data Collection
  1. The center shall collect real-time information on the state of the regional transportation system including current traffic and road conditions, weather conditions, special event and incident information.
Basic Information Broadcast
  1. The center shall provide the capability to support requests from the media for traffic and incident data.
ISP Emergency Traveler Information
  1. The center shall disseminate wide-area alert information to the traveler interface systems, including major emergencies such as a natural or man-made disaster, civil emergency, child abductions, severe weather watches and warnings, military activities, and law enforcement warnings.
MCM Environmental Information Processing
  1. The center shall respond to control data from center personnel regarding environmental sensor control and weather data collection and processing.
  2. The center shall assimilate current and forecast road conditions and surface weather information using a combination of weather service provider information (such as the National Weather Service and value-added sector specific meteorological services) and local environmental sensor data.
MCM Incident Management
  1. The center shall exchange incident and threat information with emergency management centers as well as traffic management centers; including notification of existence of incident and expected severity, location, time and nature of incident.
  2. The center shall coordinate planning for incidents with emergency management centers - including pre-planning activities for disaster response, evacuation, and recovery operations.
MCM Maintenance Decision Support
  1. The center shall provide dispatch information to maintenance and construction vehicles based on the outputs of the decision support system, including recommended roadway treatment actions.
MCM Work Zone Management
  1. The center shall collect real-time information on the state of the road network including current traffic and road conditions to support work zone scheduling and management.
MCM Work Activity Coordination
  1. The center shall exchange information with administrative systems to support the planning and scheduling of maintenance and construction activities. This information includes: equipment and consumables resupply purchase request status, personnel qualifications including training and special certifications, environmental regulations and rules that may impact maintenance activities, and requests and project requirements from contract administration.
Collect Traffic Surveillance
  1. The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center.
  2. The center shall monitor, analyze, and distribute traffic images from CCTV systems under remote control of the center.
  3. The center shall distribute road network conditions data (raw or processed) based on collected and analyzed traffic sensor and surveillance data to other centers.
  4. The center shall maintain a database of surveillance and sensors and the freeways, surface street and rural roadways, e.g. where they are located, to which part(s) of the network their data applies, the type of data, and the ownership of each link (that is, the agency or entity responsible for collecting and storing surveillance of the link) in the network.
  5. The center shall support an interface with a map update provider, or other appropriate data sources, through which updates of digitized map data can be obtained and used as a background for traffic data.
TMC Signal Control
  1. The center shall remotely control traffic signal controllers.
  2. The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
  3. The center shall collect traffic signal controller fault data from the field.
  4. The center shall implement control plans to coordinate signalized intersections, under control of center personnel, based on data from sensors and surveillance monitoring traffic conditions, incidents, emergency vehicle preemptions, the passage of commercial vehicles with unusual loads, equipment faults, pedestrian crossings, etc.
TMC Freeway Management
  1. The center shall remotely control systems to manage use of the freeways, including ramp meters, mainline metering, and lane controls.
TMC Traffic Information Dissemination
  1. The center shall remotely control dynamic messages signs for dissemination of traffic and other information to drivers.
  2. The center shall remotely control driver information systems that communicate directly from a center to the vehicle radio (such as Highway Advisory Radios) for dissemination of traffic and other information to drivers.
  3. The center shall collect operational status for the driver information systems equipment (DMS, HAR, etc.).
  4. The center shall collect fault data for the driver information systems equipment (DMS, HAR, etc.) for repair.
  5. The center shall provide the capability for center personnel to control the nature of the data that is available to non-traffic operations centers and the media.
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.
  2. The center shall exchange traffic control information with other traffic management centers to support remote monitoring and control of traffic management devices (e.g. signs, sensors, signals, cameras, etc.).
TMC Incident Detection
  1. 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.
  2. The center shall collect and store traffic flow and image data from 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 provide video and traffic sensor control commands to the field equipment to detect and verify incidents.
TMC Incident Dispatch Coordination/Communication
  1. The center shall exchange incident information with emergency management centers, maintenance and construction centers, transit centers, information service providers, and the media including description, location, traffic impact, status, expected duration, and response information.
  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 provide road network conditions and traffic images to emergency management centers, maintenance and construction centers, and traveler information service providers.
  4. The center shall exchange road network status assessment information with emergency management and maintenance centers including an assessment of damage sustained by the road network including location and extent of the damage, estimate of remaining capacity, required closures, alternate routes, necessary restrictions, and time frame for repair and recovery.
  5. The center shall coordinate information and controls with other traffic management centers.
TMC Evacuation Support
  1. The center shall coordinate information and controls with other traffic management centers.
  2. The center shall coordinate execution of evacuation strategies with emergency management centers - including activities such as setting closures and detours, establishing routes, updating areas to be evacuated, timing the process, etc.
TMC Environmental Monitoring
  1. The center shall remotely control environmental sensors that measure weather conditions including temperature, wind, humidity, precipitation, and visibility.
  2. The center shall assimilate current and forecast road conditions and surface weather information using a combination of weather service provider information (such as the National Weather Service and value-added sector specific meteorological services), data from roadway maintenance operations, and environmental data collected from sensors deployed on and about the roadway.
TMC Work Zone Traffic Management
  1. The center shall analyze work zone images for indications of a possible incident.
  2. The center shall remotely control driver information systems (such as dynamic messages signs, highway advisory radios) to advise drivers of activity around a work zone.
  3. The center shall collect operational status for the driver information systems equipment in work zones.
  4. The center shall receive proposed maintenance and construction work plans, analyze the activity as a possible incident, and provide work plan feedback to the sending center.