Ferrovie della Sardegna Ferrovie della Sardegna The Ferrovie della Sardegna (Railways of Sardinia), known also as ARST Gestione FdS between 2008 and 2010 and with the abbreviation FdS, was an Italian public company that managed the regional railway network in the island of Sardinia, Italy. In 2010 it was totally integrated with the main regional public transport company, ARST ("Azienda Regionale Sarda Trasporti"). It was the second railway operator in Sardinia, after Ferrovie dello Stato, having 203 kilometers of railways used for public transport, plus another four tourist lines, known as "Trenino Verde", which run through the wildest parts of the island. The
Florence–Rome high-speed railway is referred to by Ferrovie dello Stato (the State Railways) as the "Linea Lenta" (meaning "slow line", abbreviated "LL") to distinguish it from the parallel high-speed line. In 2016 a contract was let for resignalling with ETCS level 2. The line is part of Corridor 1 of the European Union's Trans-European high-speed rail network, which connects Berlin and Palermo. The 315 km railway between Rome and Florence developed from several different lines by several different companies for different purposes and as a result was curvy and slow. Over the years there had been many studies, proposals and projects for deviations