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On 27 January 2026, it was announced that Metropolitan Area Transport, Helsinki City Transport, and Länsimetro, the entities that own, manage and operate the Helsinki metro, confirmed awarding a contract to CAF for the modernisation of the entire signalling infrastructure using the CBTC system developed by CAF, called OPTIO.
CAF-led consortium (RTI), which includes AET S. r. l., Francesco Ventura Costruzioni Ferroviarie S. r. l., Mer Mec STE S. r. l. and Leonardo S. p. A., has been in late December 2025 awarded the comprehensive project contract for Lot 2 of the new Naples Metro Line 10 by E.A.V. S. r. l. (Ente Autonomo Volturno), the public transport operator for Italy’s Campania region.