International railways refer to train services that operate across national borders, connecting different countries and facilitating the movement of passengers and goods. These rail networks are essential for promoting trade, tourism, and cultural exchange, as they provide a reliable and efficient mode of transportation. Many international railways are part of larger systems, such as the European Union's rail network or the Trans-Siberian Railway in Russia. These services often feature high-speed trains, sleeper cars, and various amenities to enhance the travel experience. International railways play a crucial role in global connectivity and economic development.