| Functional Area: Roadway Basic Surveillance |
- The field element shall collect, process, digitize, and send traffic sensor data (speed, volume, and occupancy) to the center for further analysis and storage, under center control.
- The field element shall collect, process, and send traffic images to the center for further analysis and distribution.
- The field element shall collect, digitize, and send multimodal crossing and high occupancy vehicle (HOV) lane sensor data to the center for further analysis and storage.
- The field element shall return sensor and CCTV system operational status to the controlling center.
- The field element shall return sensor and CCTV system fault data to the controlling center for repair.
|
| Functional Area: Roadway Signal Controls |
- The field element shall control traffic signals under center control.
- The field element shall respond to pedestrian crossing requests by accommodating the pedestrian crossing.
- The field element shall provide the capability to notify the traffic management center of pedestrian calls and pedestrian accommodations.
- The field element shall report the current signal control information to the center.
- The field element shall report current preemption status to the center.
- The field element shall return traffic signal controller operational status to the center.
- The field element shall return traffic signal controller fault data to the center.
- The field element shall report current transit priority status to the center.
|
| Functional Area: Field Management Stations Operation |
- The field management station shall accept configuration information from the center.
- The filed management station shall pass data provided by the center to local field devices and report data from the field devices back to the center.
|
