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
Terni–Sulmona railway again; the team was relegated and never recovered its lost position. In the 1930s steam locomotives were dismissed and faster ALn 56 and ALn 556 diesel multiple units (DMU) were introduced; in the 1980s these were replaced with ALn 668 3300 series. In 1905 all Italian railways were nationalized and Ferrovie dello Stato Italiane took control of the Terni–Sulmona railway. In 2008 Trenitalia, the passenger division of Ferrovie dello Stato, put out passenger services on the Terni–L'Aquila route entrusting Ferrovia Centrale Umbra for the service (now Umbria Mobilità, part of the Busitalia group). Ferrovia Centrale Umbra operates his services using