Click on a Project Inventory element from the list above to view functional requirements.
Roadway Signal Controls
- The field element shall return traffic signal controller fault data to the center.
- The field element shall return traffic signal controller operational status to the center.
- The field element shall report current preemption status to the center.
- The field element shall report the current signal control information to the center.
- The field element shall provide the capability to notify the traffic management center of pedestrian calls and pedestrian accommodations.
- The field element shall respond to pedestrian crossing requests by accommodating the pedestrian crossing.
- The field element shall control traffic signals under center control.
- The field element shall report current transit priority status to the center.
TMC Signal Control
- The center shall remotely control traffic signal controllers.
- The center shall maintain traffic signal coordination including synchronizing clocks throughout the system.
- The center shall manage boundaries of the control sections used within the signal system.
- The center shall implement control plans to coordinate signalized intersections based on data from sensors.
- 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 collect traffic signal controller fault data from the field.
- The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
- The center shall accept notifications of pedestrian calls.
Traffic Equipment Maintenance
- 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.
- 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 collect environmental sensor equipment fault data and send to the maintenance center for repair.
- The center shall collect environmental sensor operational status.
- The center shall collect and store CCTV surveillance system (traffic, pedestrian) fault data send to the maintenance center for repair.
- 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) operational status.
- The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) operational status.
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