New York Sub-Regional ITS Architecture

Element Expanded Functional Requirements: NYC DOT TMC

Functional Area: 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 monitor, analyze, and store multimodal crossing and high occupancy vehicle (HOV) lane sensor data under remote control of the center.
  4. The center shall distribute road network conditions data (raw or processed) based on collected and analyzed traffic sensor and surveillance data to other centers.
  5. The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.
  6. The center shall maintain a database of surveillance equipment and sensors and associated data (including the roadway on which they are located, the type of data collected, and the ownership of each )
  7. 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.
Functional Area: Emergency Response Management
  1. The center shall provide strategic emergency response capabilities provided by an Emergency Operations Center for large-scale incidents and disasters.
  2. The center shall manage coordinated inter-agency responses to and recovery from large-scale emergencies. Such agencies include traffic management, transit, maintenance and construction management, rail operations, and other emergency management agencies.
  3. The center shall provide the capability to implement response plans and track progress through the incident by exchanging incident information and response status with allied agencies.
  4. The center shall develop, coordinate with other agencies, and store emergency response plans.
  5. The center shall track the availability of resources and coordinate resource sharing with allied agency centers including traffic, maintenance, or other emergency centers.
  6. The center shall allocate the appropriate emergency services, resources, and vehicle (s) to respond to incidents, and shall provide the capability to override the current allocation to suit the special needs of a current incident.
  7. The center shall receive event scheduling information from Event Promoters.
  8. The center shall support remote control of field equipment normally under control of the traffic management center including traffic signals, dynamic message signs, gates, and barriers.
  9. The center shall provide the capability to remotely control and monitor CCTV systems normally operated by a traffic management center.
  10. The center shall provide the capability to request transit resource availability from transit centers for use during disaster and evacuation operations.
  11. The center shall assimilate the damage assessment of the transit, traffic, rail, maintenance, and other emergency center services and systems to create an overall transportation system status, and disseminate to each of these centers and the traveling public via traveler information providers.
  12. The center shall provide information to the media concerning the status of an emergency response.
  13. The center shall provide the capability for digitized map data to act as the background to the information presented to the emergency system operator.
  14. The center shall provide the capability for center personnel to provide inputs to the management of incidents, disasters and evacuations.
  15. The center shall collect information about the status of the recovery efforts for the infrastructure during disasters.
  16. The center shall provide the overall status of infrastructure recovery efforts to traveler information providers and media.
  17. The center shall provide the capability to communicate information about emergency situations to local population through the Emergency Telecommunications System.
  18. The center shall provide the capability to identify neighborhoods and businesses that should be informed of an emergency situation based on information collected about incidents including their severity, impacted locations, and recovery schedule.
  19. The center shall retrieve information from public health systems to increase preparedness for, and implement a response to biological, chemical, radiation, and other public health emergencies.
  20. The center shall manage coordinated inter-agency responses to incidents at an international border.
Functional Area: TMC Traffic Metering
  1. The center shall remotely control systems to manage use of the freeways, including ramp, interchange, and mainline metering.
  2. The center shall collect operational status from ramp meters, interchange meters, and mainline meters and compare against the control information sent by the center.
  3. The center shall collect fault data from ramp meters, interchange meters, and mainline meters.
  4. The center shall implement control strategies, under control of center personnel, on some or all of the freeway network devices (e.g. ramp meters, interchange meters, and mainline meters), based on data from sensors monitoring traffic conditions upstream, downstream, and queue data on the approaches to the meters.
Functional Area: 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.).
Functional Area: TMC Reversible Lane Management
  1. The center shall remotely control devices to detect traffic in reversible lanes, including wrong-way vehicles.
  2. The center shall monitor the use of reversible lanes and detect wrong-way vehicles in reversible lanes using sensor and surveillance information, and the current lane control status (which direction the lane is currently operating).
  3. The center shall remotely control automated reversible lane equipment and driver information systems (such as lane control signals) that control traffic in reversible lanes on surface streets.
  4. The center shall remotely control automated reversible lane equipment and driver information systems (such as lane control signals) that control traffic in reversible lanes on freeways.
  5. The center shall collect operational status for the reversible lane field equipment.
  6. The center shall collect fault data for the reversible lane field equipment and send to the maintenance center for repair.
  7. The center shall provide the capability for center personnel to control access and management of reversible lane facilities, including the direction of traffic flow changes during the day, especially between the peak hours and dedication of more lanes to the congestion direction during special events.
Functional Area: TMC Signal Control
  1. The center shall remotely control traffic signal controllers.
  2. The center shall accept notifications of pedestrian calls.
  3. The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
  4. The center shall collect traffic signal controller fault data from the field.
  5. The center shall manage (define, store and modify) control plans to coordinate signalized intersections, to be engaged at the direction of center personnel or according to a daily schedule.
  6. The center shall implement control plans to coordinate signalized intersections based on data from sensors.
  7. The center shall manage boundaries of the control sections used within the signal system.
  8. The center shall maintain traffic signal coordination including synchronizing clocks throughout the system.
Functional Area: 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 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.
  6. The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, and traveler information providers.
  7. 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.
  8. 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.
Functional Area: Traffic Equipment Maintenance
  1. The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) operational status.
  2. The center shall collect and store CCTV surveillance system (traffic, pedestrian) operational status.
  3. The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) fault data and send to the maintenance center for repair.
  4. The center shall collect and store CCTV surveillance system (traffic, pedestrian) fault data send to the maintenance center for repair.
  5. The center shall collect environmental sensor operational status.
  6. The center shall collect environmental sensor equipment fault data and send to the maintenance center for repair.
  7. The center shall exchange data with maintenance centers concerning the reporting of faulty equipment and the schedule/status of their repair. Information exchanged includes details of new equipment faults, and clearances when the faults are cleared.
  8. 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 maintenance data.
Functional Area: MCM Work Zone Management
  1. The center shall generate new work zone activity schedules for use by maintenance and construction vehicles, maintenance and construction operators, and for information coordination purposes.
  2. The center shall control the collection of work zone status information including video images from cameras located in or near the work zone.
  3. The center shall disseminate work zone information to other agencies and centers including traffic, transit, emergency management centers, other maintenance centers, traveler information providers, and the media.
  4. The center shall control traffic in work zones by providing remote control of dynamic message signs, highway advisory radio systems, gates, and barriers located in or near the work zone.
  5. The center shall exchange information with administrative systems to support the planning and scheduling of work zone 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.
  6. 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.
Functional Area: Barrier System Management
  1. The center shall remotely control barrier systems for transportation facilities and infrastructure. Barrier systems include automated or remotely controlled gates, barriers and other systems that manage entry to roadways.
  2. The center shall collect barrier system operational status.
  3. The center shall collect barrier system fault data and send to the maintenance center for repair.
  4. The center shall accept requests for barrier system activation from other centers and from center personnel to support emergency response and detours.
Functional Area: TMC Dynamic Lane Management and Shoulder Use
  1. The center shall remotely monitor and control dynamically managed travel lanes.
  2. The center shall monitor traffic conditions and demand measured per lane.
  3. The center shall receive input from Border Inspection Systems to identify existing and planned lane configurations at the border.
  4. The center shall receive input from multimodal crossings such as draw bridges to identify existing and planned lane configurations at the crossings.
  5. The center shall receive input from Intermodal Freight Depots to support monitoring and anticipation of commercial vehicle traffic originating at the depot and requests for dynamic lane management in the vicinity of the depot.
  6. The center shall monitor and coordinate dynamic lane controls with adjacent jurisdictions.
  7. Based on the collected data and operator input, the center shall determine suggested and required lane control configuration changes.
  8. The center shall support temporary use of shoulders as travel lanes.
  9. The center shall designate lanes for use by special vehicles only, such as buses, high occupancy vehicles (HOVs), or vehicles attending a special event.
  10. The center shall identify lane use restrictions, prohibiting specific types of vehicles (e.g., commercial vehicles) from specific lanes.
  11. The center shall activate lane management field equipment that is used to dynamically manage specific lanes and shoulders.
  12. The center shall reconfigure intersections and interchanges for compatibility with the current lane configuration.
  13. The center shall notify the enforcement agency of violators of the lane controls.