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.
Due to its location in the centre of the Italian peninsula, Rome is the principal railway node for central Italy. Rome's main railway station, Termini, is one of the largest railway stations in Europe and the most heavily used in Italy, with around 400 thousand travellers passing through every day.ue to its location in the centre of the Italian peninsula, Rome is the principal railway node for central Italy. Rome's main railway station, Termini, is one of the largest railway stations in Europe and the most heavily used in Italy, with around 400 thousand travellers passing through every day.