You can pay with Tap & Go ® if you travel on:
If you want to carry on your journey on Cotral surface vehicles (urban route) or urban railways (Metromare and Roma-Viterbo - urban section) remember to download the Atac Tap & Go ® application (only on Android devices with NFC technology), necessary in case of on-board controls. If you want to carry on your journey on Trenitalia regional trains (second class urban route), in case of on-board controls you will have to display the credit card used for the payment or communicate part of its PAN (first six or last four digits of the card number).
If you use your card as a monthly subscription (whitelist) you will be able to travel on the entire Roman network during the charged month. To travel on Cotral surface vehicles (urban route) and urban railways (Metromare and Roma-Viterbo - urban section) or on Trenitalia regional trains (second class urban route), the previously described rules apply.