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The Turin Metro (Italian: Metropolitana di Torino) is the modern VAL rapid transit system serving Turin. It is operated by Gruppo Torinese Trasporti (GTT), a public company controlled by the municipality of Turin. The system comprises one 15.1-kilometre (9 mi 31 ch) line with 23 stations connecting Fermi station in Collegno with Piazza Bengasi in Turin, near the border with the municipality of Moncalieri.