This optional tranche of the framework contract between SNCF Voyageurs and Alstom represents an amount of close to 1.4 billion euros.The new Avelia Horizon trains will be operated by Eurostar and will travel through the Channel Tunnel, a first for a double-deck high-speed train. 22 October 2025 - The SNCF Voyageurs Board of Directors has approved an additional order for 30 new-generation Avelia Horizon very high-speed trains for close to 1.4 billion euros1, as well as options for up to 20 additional trains. ...