NoVA STSS - Inventory Element

VDOT NoVA STSS- Inventory Element

Interconnects -- Flows -- Entities -- Market Packages -- Functional Area

Status: Existing

Definition: STSS installs, monitors, controls and maintains over 1000 traffic signals in the three counties. STSS is able to manage traffic flow continuously monitor the real-time signal status, collect traffic flow information, and adjust signal timing from a centralized traffic signal control system. The STSS will be part of the PSTOC in the near future

Stakeholder: VDOT NoVA District

Systems Interconnected with VDOT NoVA STSS:

Interconnect Diagram

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Information Flow Diagrams which include VDOT NoVA STSS:

Information Flows to/from VDOT NoVA STSS:

National ITS Architecture Subsystems mapped to VDOT NoVA STSS:

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National ITS Architecture Market Packages associated with VDOT NoVA STSS:
AD1 - ITS Data Mart
APTS2 - Transit Fixed-Route Operations
APTS7 - Multi-modal Coordination
ATMS01 - Network Surveillance
ATMS03 - Surface Street Control
ATMS07 - Regional Traffic Control
ATMS08 - Traffic Incident Management System
ATMS09 - Traffic Forecast and Demand Management
EM02 - Emergency Routing
EM05 - Transportation Infrastructure Protection
EM06 - Wide-Area Alert
EM07 - Early Warning System
EM08 - Disaster Response and Recovery
EM10 - Disaster Traveler Information
MC04 - Weather Information Processing and Distribution
MC07 - Roadway Maintenance and Construction
MC08 - Work Zone Management
MC10 - Maintenance and Construction Activity Coordination

National ITS Architecture Functional Area associated with VDOT NoVA STSS:

Collect Traffic Surveillance - Management of traffic sensors and surveillance (CCTV) equipment, and distribution of the collected information to other centers and operators.
TMC Incident Detection - Remotely controls traffic and video sensors to support incident detection and verification; exchange information with other agencies including emergency management, maintenance and construction, alerting and advisory systems, event promoters, intermodal freight depots, and traveler information systems.
TMC Incident Dispatch Coordination/Communication - Center-based capability to formulate an incident response that takes into account the incident potential, incident impacts, and/or resources required for incident management including proposing and facilitating the dispatch of emergency response and service vehicles as well as coordinating response with all appropriate cooperating agencies.
TMC Regional Traffic Control - Coordination between traffic management centers in order to share traffic information between centers as well as control of traffic management field equipment. This may be used during incidents and special events and during day-to-day operations.
TMC Signal Control - Remotely controls traffic signal controllers to implement traffic management strategies at major intersections and on main highways for urban areas, based on traffic conditions, incidents, emergency vehicle preemptions, pedestrian crossings, etc.

Detailed "SHALL" statements can be found in the Turbo Database.

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