Paying for regional trains in Italy in 2026 is highly versatile, with Trenitalia offering several digital and physical options. You can purchase a Digital Regional Ticket (DRT) via the Trenitalia app or website up to five minutes before departure; these are "auto-validated" at the scheduled departure time, eliminating the need for paper stamping. For a high-fidelity, "on-the-go" experience, many routes now feature TAP & TAP, allowing you to use a contactless Visa, Mastercard, or American Express card directly at the validating machines on the platform. If you prefer physical tickets, they are available at station self-service machines and ticket offices. Note that if you use a physical paper ticket, you must validate it in the green or yellow machines before boarding to avoid a significant fine. Digital tickets are nominative and non-transferable, meaning you must be prepared to show the QR code on your phone along with a valid ID if requested by the conductor during your high-fidelity rail journey.