Service from Caiazzo to Piedimonte began in 1914, held with steam locomotives.
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The company was inaugurated on March 30, 1913, with a first service held on the line Naples P.zza Carlo III Station-Santa Maria Capua Vetere/S.Andrea dei Lagni-Biforcazione-Capua (43 km), with 11,000 V 25 Hz monophase AC electric traction.