Over the past decade, the European Union’s high-speed rail network has experienced significant growth, almost doubling in size. However, despite this progress, traveling internationally by rail still presents a number of difficulties.
Source: https://www.euronews.com/travel/2025/03/05/rail-vs-air-the-tool-that-aims-to-make-european-train-journeys-as-easy-as-booking-a-flight