Yes, in 2026, using a credit card at a train station is the standard, high-value "global norm." Almost every major railway station in Europe, North America, and East Asia features Self-Service Ticket Vending Machines (TVMs) that accept Visa, Mastercard, and often American Express. These machines typically require a Chip-and-PIN or contactless "Tap-to-Pay" transaction for security. In many modern hubs like London, New York, or Singapore, you don't even need to visit a kiosk; you can simply tap your credit card or mobile wallet (Apple/Google Pay) directly at the ticket barriers to pay as you go—a premier "contactless" convenience. However, for 2026 travelers in more rural or developing regions, it is a high-quality "pro-move" to carry a small amount of cash, as some smaller stations might have legacy machines that only accept coins or local debit cards. Generally, credit cards provide the best value for international travelers by offering competitive exchange rates and a clear digital record of travel expenses.