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City of Hampton TMC

Status:

Existing

Definition:

City of Hampton TMC is a nerve center of an integrated system of advanced technologies including computer software, traffic cameras, centralized signal system for the City of Hampton. From the City of Hampton TMC, the operators monitor and manage traffic as well as recognize and respond to incidents. The City of Hampton TMC instantly delivers information to the VDOT ERO TOC.

Stakeholder:

City of Hampton Public Works Department

Architecture Flow Diagrams
which include City of Hampton TMC:

• City of Hampton TMC City of Hampton TMC Field Equipment
• City of Hampton TMC City of Newport News TMC
• City of Hampton TMC City of Norfolk STC
• City of Hampton TMC Hampton Roads Local Public Safety Centers
• City of Hampton TMC Hampton Roads Local Public Safety Mobile Centers
• City of Hampton TMC Media Outlets
• City of Hampton TMC VDOT Hampton Roads TOC
• City of Hampton TMC VDOT RTIMIS
• City of Hampton TMC VDOT Video Clearinghouses

Architecture Flows
to/from the City of Hampton TMC:

City of Hampton TMC City of Hampton TMC Field Equipment

• environmental sensors control


• roadway information system data


• signal control data


• traffic sensor control


• video surveillance control

City of Hampton TMC City of Newport News TMC

• resource deployment status


• resource request


• traffic control coordination


• traffic information coordination


• transportation system status

City of Hampton TMC City of Norfolk STC

• resource deployment status


• resource request


• traffic control coordination


• traffic information coordination


• transportation system status

City of Hampton TMC Hampton Roads Local Public Safety Centers

• traffic images

City of Hampton TMC Hampton Roads Local Public Safety Mobile Centers

• traffic images

City of Hampton TMC Media Outlets

• traffic images

City of Hampton TMC VDOT Hampton Roads TOC

• traffic images

City of Hampton TMC VDOT RTIMIS

• emergency traffic control information


• incident information


• incident response status

City of Hampton TMC VDOT Video Clearinghouses

• traffic images

City of Hampton TMC Field EquipmentCity of Hampton TMC

• environmental sensor data


• signal control status


• traffic flow


• traffic images

City of Newport News TMCCity of Hampton TMC

• resource deployment status


• resource request


• traffic control coordination


• traffic information coordination


• transportation system status

City of Norfolk STCCity of Hampton TMC

• resource deployment status


• resource request


• traffic control coordination


• traffic information coordination


• transportation system status

Media OutletsCity of Hampton TMC

• traffic images

VDOT Hampton Roads TOCCity of Hampton TMC

• traffic images

VDOT RTIMISCity of Hampton TMC

• evacuation information


• incident information


• incident response status

VDOT Video ClearinghousesCity of Hampton TMC

• traffic images

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

• Emergency Management Subsystem
• Information Service Provider Subsystem
• Maintenance and Construction Management Subsystem
• Traffic Management Subsystem

National ITS Architecture Services
associated with City of Hampton TMC:

• ATMS01 - Network Surveillance - City of Hampton TMC -- (Graphic)
• ATMS03 - Surface Street Control - City of Hampton TMC -- (Graphic)
• ATMS06 - Traffic Information Dissemination - City of Hampton TMC -- (Graphic)
• ATMS21 - Roadway Closure Management - Cities -- (Graphic)
• MC07 - Roadway Maintenance and Construction - Cities -- (Graphic)
• MC08 - Work Zone Management - Cities -- (Graphic)

National ITS Architecture Functional Requirements
associated with City of Hampton 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.