| Source Element | Destination Element | Flow |
|---|
| Commercial Vehicles | Private Concierge Service Provider | emergency notification |
|---|
| Private Concierge Service Provider | emergency notification relay |
| Private Concierge Service Provider | Commercial Vehicles | emergency acknowledge |
|---|
| Commercial Vehicles | emergency data request |
| Private Travelers Personal Computing Devices | emergency acknowledge |
| Public/Private Vehicles | emergency acknowledge |
| Public/Private Vehicles | emergency data request |
| Private Travelers Personal Computing Devices | Private Concierge Service Provider | emergency notification |
|---|
| Public/Private Vehicles | Private Concierge Service Provider | emergency notification |
|---|