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.
The Italo and Trenitalia trains utilize differant stations in Rome. Italo trains use the Tiburtina and Ostiense stations, whereas the Termini station is the Trenitalia hub. Trenitaliaâs trains reach over 200 stations daily, including many port cities in southern Italy. And Italoâs network offers service to 13 Italian cities and 16 stations.