Trenitalia is the national railway of Italy, providing a comprehensive network of trains across the country including trains to Potenza. It operates a variety of train types, including high-speed Frecciarossa, Frecciargento, and Frecciabianca, as well as regional and intercity services. Frecciarossa trains are the fastest, reaching speeds of up to 300 km/h, while Frecciargento and Frecciabianca offer a more leisurely journey. Passengers can choose from a range of ticket types, including Economy, Standard, and Business Class. Onboard facilities include comfortable seating, Wi-Fi, and a range of food and beverage options. Popular routes include Milan to Rome, Venice to Florence, and Naples to Bari.