The average roughness is the area between the roughness profile and its mean line, or the integral of the absolute value of the roughness profile height over the evaluation length. Rz: Rz is the arithmetic mean value of the single roughness depths of consecutive sampling lengths.
Â© Archivio Audiovisivi Gruppo FS Italiane. In a city renowned for its traffic, we present the Leonardo Express. This non-stop First Class rail service from Leonardo da Vinci Airport, also known as Rome Fiumicino Airport, goes to Romeâs Termini train station in the heart of downtown.
Express train (â¬14 per person). The Leonardo Express train is a non-stop service between FCO and Rome Termini (the main station). Trains depart every half hour from 6:23 to 23:23, and the trip takes 32 min. It is the most popular way to transit to central Rome so can get very busy.