| Source Element | Destination Element | Flow |
|---|
| Archived Data Management System | Local Field Devices | data collection and monitoring control |
| Road Weather Information System | data collection and monitoring control |
| Local Data Repositories | Local Field Devices | data collection and monitoring control |
| Local Field Devices | Archived Data Management System | roadside archive data |
| Local Data Repositories | roadside archive data |
| Portsmouth Data Repository | Portsmouth Traffic Signals | data collection and monitoring control |
| Portsmouth Traffic Signals | Portsmouth Data Repository | roadside archive data |
| Road Weather Information System | Archived Data Management System | roadside archive data |
| Salem Data Repository | Salem Traffic Monitoring Devices | data collection and monitoring control |
| Salem Traffic Signals | data collection and monitoring control |
| Salem Traffic Monitoring Devices | Salem Data Repository | roadside archive data |
| Salem Traffic Signals | Salem Data Repository | roadside archive data |
| Somersworth Data Repository | Somersworth Traffic Signals | data collection and monitoring control |
| Somersworth Traffic Signals | Somersworth Data Repository | roadside archive data |