| Functional Requirements: |
Collect Traffic Surveillance
- The center shall maintain a database of surveillance and sensors and the freeways, surface street and rural roadways, e.g. where they are located, to which part(s) of the network their data applies, the type of data, and the ownership of each link (that i
- 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 respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.
TMC Incident Detection
- The center shall collect and store traffic flow and image data from the field equipment to detect and verify incidents.
- 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 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.
- 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.
- 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 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
- The center shall coordinate information and controls with other traffic management centers.
- 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 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 publi
- 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 duratio
- 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 capac
- The center shall monitor incident response performance and calculate incident response and clearance times.
- 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 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 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 infra
- 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 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 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 preemp
TMC Multimodal Coordination
- 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.
- The center shall respond to requests from transit management centers for signal priority at one or more intersections along a particular transit route.
TMC Traffic Information Dissemination
- The center shall collect fault data for the driver information systems equipment (DMS, HAR, etc.) for repair.
- The center shall collect operational status for the driver information systems equipment (DMS, HAR, etc.).
- 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.
- 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 remotely control dynamic messages signs for dissemination of traffic and other information to drivers.
- 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 re
Traffic Data Collection
- 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 be able to produce sample products of the data available.
- The center shall collect traffic management data such as operational data, event logs, etc.
- The center shall receive and respond to requests from ITS Archives for either a catalog of the traffic data or for the data itself.
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