CAF to supply 10 trains for Naples Metro Line 1 June 20, 2016 | Europe News The Municipality of Naples has selected Spain-based Construcciones y Auxiliar de Ferrocarriles (CAF) to supply 10 six-car trainsets for Naples Metro Line 1. The contract has value of EUR98 million and... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password