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City of Chesapeake TMC

Status:

Existing

Definition:

The City of Chesapeake currently operates the R. Wayne Harrell Traffic Management Center (TMC), located on the third floor of City Hall, in the Public Works Department. The TMC serves as the command and control center for the Chesapeake Traffic Management System (TMS). From the TMC, Traffic Engineering staff members operate and manage the City’s TMS which consists of the traffic signal system and CCTV cameras. The TMC currently consists of two workstations, four Closed-Circuit Television Monitors (CCTV), and one large flat-panel display.

Stakeholder:

City of Chesapeake Public Works Department

Systems Interconnected
with the City of Chesapeake TMC


Architecture Flow Diagrams
which include City of Chesapeake TMC:

Architecture Flows
to/from the City of Chesapeake TMC:

City of Chesapeake TMC flows into icon City of Chesapeake TMC Field Equipment City of Chesapeake TMC flows into icon City of Norfolk STC City of Chesapeake TMC flows into icon City of Suffolk TOC City of Chesapeake TMC flows into icon City of Virginia Beach TMC City of Chesapeake TMC flows into icon Hampton Roads Local Public Safety Centers City of Chesapeake TMC flows into icon Hampton Roads Local Public Safety Mobile Centers City of Chesapeake TMC flows into icon Media Outlets City of Chesapeake TMC flows into icon VDOT Hampton Roads TOC City of Chesapeake TMC flows into icon VDOT RTIMIS Centerville Turnpike Drawbridgeflows into iconCity of Chesapeake TMC City of Chesapeake TMC Field Equipmentflows into iconCity of Chesapeake TMC City of Norfolk STCflows into iconCity of Chesapeake TMC City of Suffolk TOCflows into iconCity of Chesapeake TMC City of Virginia Beach TMCflows into iconCity of Chesapeake TMC Dominion Boulevard Steel Drawbridgeflows into iconCity of Chesapeake TMC Gilmerton Drawbridgeflows into iconCity of Chesapeake TMC Hampton Roads Local Public Safety Centersflows into iconCity of Chesapeake TMC Hampton Roads Local Public Safety Mobile Centersflows into iconCity of Chesapeake TMC Media Outletsflows into iconCity of Chesapeake TMC VDOT Hampton Roads TOCflows into iconCity of Chesapeake TMC VDOT RTIMISflows into iconCity of Chesapeake TMC VDOT Video Clearinghousesflows into iconCity of Chesapeake TMC

National ITS Architecture Subsystems
mapped to the City of Chesapeake TMC:

National ITS Architecture Services
associated with City of Chesapeake TMC:

National ITS Architecture Functional Requirements
associated with City of Chesapeake TMC:

TMC Traffic Information Dissemination
  1. 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.
  2. The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, and traveler information providers.
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 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 receive inputs concerning upcoming events that would effect the traffic network from event promoters, traveler information service providers, border crossings, and intermodal freight depots.
  4. 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.
  5. The center shall provide road network conditions and traffic images to emergency management centers to support the detection, verification, and classification of incidents.
  6. The center shall provide video and traffic sensor control commands to the field equipment to detect and verify incidents.
Traffic Data Collection
  1. The center shall collect traffic management data such as operational data, event logs, etc.
  2. The center shall assign quality control metrics and meta-data to be stored along with the data. Meta-data may include attributes that describe the source and quality of the data and the conditions surrounding the collection of the data.
  3. The center shall receive and respond to requests from ITS Archives for either a catalog of the traffic data or for the data itself.
  4. The center shall be able to produce sample products of the data available.