On the Eurail timetable InterCity trains are listed as "IC", and Trenitalia regional trains as "R". Trenord regional trains are only shown on the Trenitalia timetable and not on the Eurail timetable. They are named "Regionale". Regional trains do not require seat reservations. Reservations are however mandatory for InterCity trains during high season (May - September) and public holidays.
Le Frecce列车（原名Eurostar Italia）是由Trenitalia运营的现代而舒适的高速列车，能够带您前往意大利所有热门的旅游城市。所有列车均配备空调、大行李架、电子设备专用的电源插座，并提供茶点，通常还设有餐车。
On the Eurail timetable shows Frecciarossa trains as "FR", Frecciargento as "FA" and Frecciabianca as "FB". The Trenitalia timetable lists the specific Italian name, e.g. "Frecciarossa". These trains always require a seat reservation.
ÖBB Nightjet appears as "EN" in the timetable. InterCity Notte appears on the Eurail timetable as "ICN". On the Trenitalia timetable it is simply listed as "InterCityNotte". You are required to book sleeping accommodation in advance.