Contact-Proximity-Interface: Proximity Communication Interface
| Source Element | Destination Element | Flow |
|---|---|---|
| Electronic Fare Payment Card | MATA Fixed-Route Vehicles | payment |
| MATA Ticket Vending Machines | payment | |
| MATA Trolleys | payment | |
| MATA Fixed-Route Vehicles | Electronic Fare Payment Card | request for payment |
| MATA Ticket Vending Machines | Electronic Fare Payment Card | request for payment |
| MATA Trolleys | Electronic Fare Payment Card | request for payment |