Hartford Area ITS Architecture Update

Element Expanded Functional Requirements: CTDOT TMC Newington

Functional Area: Collect Traffic Surveillance

The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center.
The center shall monitor, analyze, and distribute traffic images from CCTV systems under remote control of the center.
The center shall monitor, analyze, and store multimodal crossing and high occupancy vehicle (HOV) lane sensor data under remote control of the center.
The center shall distribute road network conditions data (raw or processed) based on collected and analyzed traffic sensor and surveillance data to other centers.
The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.
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 )
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: HRI Traffic Management

The center shall remotely control highway-rail intersection (HRI) equipment located in the field.
The center shall accept collect highway-rail intersection (HRI) advisory or alert data from rail operations centers.
The center shall collect highway-rail intersection (HRI) equipment operational status and compare against the control information sent by the center.
The center shall provide the highway-rail intersection (HRI) equipment operational status to rail operations centers.
The center shall collect incident information related to a highway-rail intersection (HRI), such as intersection blockages or crashes or equipment malfunctions.
The center shall implement control plans to coordinate signalized intersections around highway-rail intersections (HRI), under control of center personnel, based on data from sensors and surveillance monitoring traffic conditions, incidents, equipment faults, pedestrian crossings, etc.

Functional Area: Rail Operations Coordination

The center shall exchange highway-rail intersection (HRI) information with rail operations centers. This information may include event schedules, requests for information from the Rail Operators, incident notification based on rail operations messages, and priority messages like notifications of a HAZMAT spill, equipment failure, or an intersection blockage.
The center shall receive highway-rail intersection (HRI) maintenance schedules, train schedules, and incident notifications from rail operations centers.
The center shall use the rail operations information to develop forecast HRI closure times and durations which may be applied in advanced traffic control strategies or delivered as enhanced traveler information.

Functional Area: TMC Traffic Metering

The center shall remotely control systems to manage use of the freeways, including ramp, interchange, and mainline metering.
The center shall collect operational status from ramp meters, interchange meters, and mainline meters and compare against the control information sent by the center.
The center shall collect fault data from ramp meters, interchange meters, and mainline meters.
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 HOV Lane Management

The center shall remotely control sensors to detect high-occupancy vehicle (HOV) lane usage.
The center shall remotely control driver information systems to notify users of lane status for lanes that become HOV or High Occupancy Toll (HOT) lanes during certain times of the day on freeways.
The center shall remotely control freeway control devices, such as ramp signals and mainline metering and other systems associated with freeway operations that control use of HOV lanes.
The center shall collect traffic flow measures and information regarding vehicle occupancy (i.e., lane usage) in HOV lanes.
The center shall monitor the use of HOV lanes and detect vehicles that do not have the required number of occupants.
The center shall collect operational status for the freeway control devices associated with HOV lane control.
The center shall collect fault data for the freeway control devices associated with HOV lane control for repair.
The center shall store violation parameters, detect HOV lane violators, obtain the vehicle registration data from the appropriate State Department of Motor Vehicles (DMV) office, and then provide the capability to send violation information to a law enforcement agency.

Functional Area: TMC Incident Detection

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.
The center shall collect and store traffic flow and image data from the field equipment to detect and verify incidents.
The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters and traveler information service providers.
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.
The center shall support requests from emergency management centers and border inspection systems to remotely control sensor and surveillance equipment located in the field.
The center shall provide road network conditions and traffic images to emergency management centers to support the detection, verification, and classification of incidents.
The center shall provide video and traffic sensor control commands to the field equipment to detect and verify incidents.

Functional Area: TMC Incident Dispatch Coordination/Communication

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.
The center shall coordinate planning for incidents with emergency management centers - including pre-planning activities for disaster response, evacuation, and recovery operations.
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.
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.
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.
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.
The center shall provide road network conditions and traffic images to emergency management centers, maintenance and construction centers, and traveler information service providers.
The center shall monitor incident response performance and calculate incident response and clearance times.
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.
The center shall coordinate information and controls with other traffic management centers.
The center shall receive inputs from emergency management and transit management centers to develop an overall status of the transportation system including emergency transit schedules in effect and current status and condition of the transportation infrastructure.
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 incident management.
The center shall respond to requests from border agencies to implement special traffic control measures (e.g. lane assignments by vehicle type) on the approaches to a border crossing.

Functional Area: TMC Multimodal Coordination

The center shall respond to requests from transit management centers for signal priority at one or more intersections along a particular transit route.
The center shall exchange information with transit management centers including details current transit routes, the level of service on each route, and the progress of individual vehicles along their routes.

Functional Area: TMC Probe Information Collection

The center shall collect traffic probe data from vehicles via roadside field equipment.
The center shall collect road condition data from probe-equipped transit vehicles via transit management centers; the data may be aggregated and preliminarily processed at the sending center.
The center shall collect traffic data from traveler information centers based on data from their subscriber vehicles; the data may be aggregated and initial link time calculations performed at the sending center.
The center shall collect traffic data from toll administrative centers containing travel times between toll collection points for those vehicles equipped for electronic toll collection; the data may be aggregated and processed at the sending center.
The center shall assimilate current and forecast traffic conditions based on collected probe data and distribute to other centers for dissemination to travelers.
The center shall collect operational status for the roadside probe data collection equipment.
The center shall collect fault data for the roadside probe data collection equipment for repair.

Functional Area: TMC Regional Traffic Management

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.
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 Environmental Monitoring

The center shall remotely control environmental sensors that measure road surface temperature, moisture, icing, salinity, and other measures.
The center shall remotely control environmental sensors that measure weather conditions including temperature, wind, humidity, precipitation, and visibility.
The center shall assimilate current and forecast road conditions and surface weather information using a combination of weather service provider information (such as the National Weather Service and value-added sector specific meteorological services), data from roadway maintenance operations, and environmental data collected from sensors deployed on and about the roadway.
The center shall provide weather and road condition information to weather service providers and center personnel.
The center shall respond to control data from center personnel regarding environmental sensor control and weather data collection and processing.

Functional Area: TMC Signal Control

The center shall remotely control traffic signal controllers.
The center shall accept notifications of pedestrian calls.
The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
The center shall collect traffic signal controller fault data from the field.
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.
The center shall implement control plans to coordinate signalized intersections based on data from sensors.
The center shall manage boundaries of the control sections used within the signal system.
The center shall maintain traffic signal coordination including synchronizing clocks throughout the system.

Functional Area: TMC Traffic Information Dissemination

The center shall remotely control dynamic messages signs for dissemination of traffic and other information to drivers.
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.
The center shall collect operational status for the driver information systems equipment (DMS, HAR, etc.).
The center shall collect fault data for the driver information systems equipment (DMS, HAR, etc.) for repair.
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.
The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, and traveler information providers.
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.
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

The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) operational status.
The center shall collect and store CCTV surveillance system (traffic, pedestrian) operational status.
The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) fault data and send to the maintenance center for repair.
The center shall collect and store CCTV surveillance system (traffic, pedestrian) fault data send to the maintenance center for repair.
The center shall collect environmental sensor operational status.
The center shall collect environmental sensor equipment fault data and send to the maintenance center for repair.
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.
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: Traffic Data Collection

The center shall collect traffic management data such as operational data, event logs, etc.
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.
The center shall receive and respond to requests from ITS Archives for either a catalog of the traffic data or for the data itself.
The center shall be able to produce sample products of the data available.

Functional Area: Service Patrol Management

The center shall dispatch roadway service patrol vehicles to identified incident locations.
The center shall store the current status of all service patrol vehicles available for dispatch and those that have been dispatched.
The center shall share incident information collected by the service patrol with traffic, maintenance and construction, and traveler information centers for incident management, incident notification to travelers, and incident cleanup.
The center shall track the location and status of service patrol vehicles.

Functional Area: TMC Work Zone Traffic Management

The center shall receive work zone images from a maintenance center.
The center shall analyze work zone images for indications of a possible incident.
The center shall remotely control driver information systems (such as dynamic messages signs, highway advisory radios) to advise drivers of activity around a work zone.
The center shall collect operational status for the driver information systems equipment in work zones.
The center shall collect fault data for the driver information systems equipment in work zones for repair.
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.

Functional Area: Center Secure Area Surveillance

The center shall remotely monitor video images and audio surveillance data collected in secure areas including facilities (e.g. transit yards) and transportation infrastructure (e.g. bridges, tunnels, interchanges, roadway infrastructure, and transit railways or guideways). The data may be raw or pre-processed in the field.
The center shall remotely monitor video images and audio surveillance data collected in traveler secure areas, which include transit stations, transit stops, rest areas, park and ride lots, and other fixed sites along travel routes (e.g., emergency pull-off areas and travel information centers). The data may be raw or pre-processed in the field.
The center shall remotely monitor video images and audio surveillance data collected on-board transit vehicles. The data may be raw or pre-processed in the field.
The center shall exchange surveillance data with other emergency centers.
The center shall identify potential security threats based on collected security surveillance data.
The center shall verify potential security threats by correlating security surveillance data from multiple sources.
The center shall remotely control security surveillance devices in secure areas including facilities (e.g. transit yards) and transportation infrastructure (e.g. bridges, tunnels, interchanges, roadway infrastructure, and transit railways or guideways).
The center shall remotely control security surveillance devices in traveler secure areas, which include transit stations, transit stops, rest areas, park and ride lots, and other fixed sites along travel routes (e.g., emergency pull-off areas and travel information centers).
The center shall remotely control security surveillance devices on-board transit vehicles.
The center shall match traveler video images against a database from the Alerting and Advisory Systems of known images that may represent criminals and terrorists.
The center shall exchange traveler images with other emergency management centers to support traveler image matching.
The center shall respond to control data from center personnel regarding security surveillance data collection, processing, threat detection, and image matching.
The center shall monitor maintenance status of the security sensor field equipment.

Functional Area: TMC Evacuation Support

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.
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.
The center shall coordinate information and controls with other traffic management centers.
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.

Functional Area: Barrier System Management

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.
The center shall collect barrier system operational status.
The center shall collect barrier system fault data and send to the maintenance center for repair.
The center shall accept requests for barrier system activation from other centers and from center personnel to support emergency response and detours.

Functional Area: Safeguard System Management

The center shall remotely control safeguard systems, equipment used to mitigate the impact of incidents on transportation infrastructure (e.g., blast shields, tunnel exhaust systems, etc.)
The center shall collect safeguard system operational status.
The center shall collect safeguard system fault data and send to the maintenance center for repair.
The center shall accept requests for safeguard system activation from other centers and from center personnel to support emergency response.

Functional Area: Center Secure Area Sensor Management

The center shall remotely monitor and control security sensor data collected in secure areas including facilities (e.g. transit yards) and transportation infrastructure (e.g. bridges, tunnels, interchanges, roadway infrastructure, and transit railways or guideways). The types of security sensor data include environmental threat (e.g. chemical agent, toxic industrial chemical, biological, explosives, and radiological sensors), infrastructure condition and integrity, intrusion and motion, and object detection sensors. The data may be raw or pre-processed in the field.
The center shall remotely monitor and control security sensor data collected in traveler secure areas, which include transit stations, transit stops, rest areas, park and ride lots, and other fixed sites along travel routes (e.g., emergency pull-off areas and travel information centers). The types of security sensor data include environmental threat (e.g. chemical agent, toxic industrial chemical, biological, explosives, and radiological sensors), intrusion and motion, and object detection sensors. The data may be raw or pre-processed in the field.
The center shall remotely monitor and control security sensor data collected on-board transit vehicles. The types of security sensor data include environmental threat (e.g. chemical agent, toxic industrial chemical, biological, explosives, and radiological sensors) and object detection sensors. The data may be raw or pre-processed in the field.
The center shall exchange security sensor data with other emergency centers.
The center shall identify potential security threats based on collected security sensor data.
The center shall verify potential security threats by correlating security sensor data from multiple sources.
The center shall perform threat analysis based on correlations of security sensor and surveillance data.
The center shall exchange threat analysis data with Alerting and Advisory Systems and use that data in local threat analysis processing.
The center shall disseminate threat information to other agencies, including traffic, transit, maintenance, rail operations, and other emergency management centers.
The center shall respond to control data from center personnel regarding security sensor data collection, processing, threat detection, and threat analysis.
The center shall request activation of barriers and safeguards on request from center personnel.
The center shall monitor maintenance status of the security sensor field equipment.

Functional Area: TMC Transportation Operations Data Collection

The center shall collect real-time information on the state of the regional transportation system including current traffic and road conditions, weather conditions, special event and incident information.
The center shall support the capability for the system operator to monitor and control the information collection service.

Functional Area: TMC Variable Speed Limits

The center shall monitor data on traffic and environmental conditions collected from sensors along the roadway.
Based on the measured data, the center shall calculate and set suitable speed limits by lane.
The center shall control field equipment that posts the current speed limits and displays additional information such as basic safety rules and current traffic information to drivers.
The center shall monitor the operational status of the variable speed limit equipment, including fault reports.
The center shall provide center personnel current system status and respond to control data from center personnel regarding variable speed limits and