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City of Danville TMC

Status:

Existing

Definition:

Manages traffic operations in the City of Danville in the Lynchburg District Area.

Stakeholder:

City of Danville Public Works Department

Architecture Flow Diagrams
which include City of Danville TMC:

• City of Danville TMC City of Danville TMC Field Equipment
• City of Danville TMC Media Outlets
• City of Danville TMC SWR Local Public Safety Mobile Centers
• City of Danville TMC VSP Center

Architecture Flows
to/from the City of Danville TMC:

City of Danville TMC City of Danville TMC Field Equipment

• traffic sensor control


• video surveillance control

City of Danville TMC Media Outlets

• incident information for media


• road network conditions


• traveler information for media

City of Danville TMC SWR Local Public Safety Mobile Centers

• alert status


• emergency plan coordination


• incident information


• incident response status


• resource deployment status


• resource request


• road network conditions


• road network status assessment

City of Danville TMC VSP Center

• evacuation coordination


• incident information


• incident response status


• resource deployment status


• road network conditions

City of Danville TMC Field EquipmentCity of Danville TMC

• roadway information system status


• traffic flow


• traffic images

Media OutletsCity of Danville TMC

• external reports

SWR Local Public Safety Mobile CentersCity of Danville TMC

• alert notification


• emergency plan coordination


• emergency traffic control request


• evacuation information


• incident information


• incident response status


• resource deployment status


• resource request


• threat information


• transportation system status

VSP CenterCity of Danville TMC

• evacuation coordination


• incident information


• incident response status


• resource request

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

• Archived Data Management Subsystem
• Emergency Management Subsystem
• Information Service Provider Subsystem
• Traffic Management Subsystem

National ITS Architecture Services
associated with City of Danville TMC:

• ATMS01 - Network Surveillance - City of Danville TMC -- (Graphic)

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

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 distribute road network conditions data (raw or processed) based on collected and analyzed traffic sensor and surveillance data to other centers.
3. The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.

TMC Signal Control

1. The center shall remotely control traffic signal controllers.
2. The center shall accept notifications of right-of-way requests from pedestrians.
3. 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 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.
3. The center shall distribute traffic data to the media; the capability to provide the information in both data stream and graphical display shall be supported.

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 receive inputs concerning upcoming events that would effect the traffic network from event promoters, traveler information service providers, border crossings, and intermodal freight depots.
3. 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.
4. The center shall support requests from emergency management centers and border inspection systems to remotely control sensor and surveillance equipment located in the field.

TMC Incident Dispatch Coordination/Communication

1. The center shall exchange alert information and status with emergency management centers. The information includes notification of a major emergency such as a natural or man-made disaster, civil emergency, or child abduction for distribution to the public. The information may include the alert originator, the nature of the emergency, the geographic area affected by the emergency, the effective time period, and information and instructions necessary for the public to respond to the alert. This may also identify specific information that should not be released to the public.
2. The center shall coordinate planning for incidents with emergency management centers - including pre-planning activities for disaster response, evacuation, and recovery operations.
3. The center shall support requests from emergency management centers to remotely control sensor and surveillance equipment located in the field, provide special routing for emergency vehicles, and to provide responding emergency vehicles with signal preemption.
4. 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.
5. 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.
6. The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters, traveler information service providers, media, border crossings, and rail operations centers.
7. The center shall provide road network conditions and traffic images to emergency management centers, maintenance and construction centers, and traveler information service providers.
8. 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.
9. The center shall coordinate information and controls with other traffic management centers.

TMC Evacuation Support

1. The center shall coordinate planning for evacuation with emergency management centers - including pre-planning activities such as establishing routes, areas to be evacuated, timing, etc.
2. The center shall support requests from emergency management centers to preempt the current traffic control strategy, activate traffic control and closure systems such as gates and barriers, activate safeguard systems, or use driver information systems to support evacuation traffic control plans.
3. The center shall coordinate information and controls with other traffic management centers.
4. 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 Work Zone Traffic Management

1. 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.