 The Coradia range of regional trains includes the "Coradia Duplex", "Coradia Lint", "Coradia Continental", "Coradia Polyvalent" and "Coradia Nordic" variants.Alstom has also developed the "Coradia Meridian", specifically for Trenitalia and other regional operators in Italy.The Coradia Continental an EMU operated as either three, four, five or six-carriage sets; up to four train-sets can be joined during peak times.