Alvia is a high-speed train service in Spain that connects major cities, including Madrid and Barcelona. Operated by Renfe, it offers a comfortable and efficient travel option for passengers, significantly reducing travel times compared to traditional trains. The Alvia trains are designed to run on both high-speed and conventional tracks, allowing them to reach destinations that may not be accessible by other high-speed services. With modern amenities and various seating options, Alvia aims to provide a pleasant travel experience for both business and leisure travelers.