TGV-M, SNCF's new flagship train - a quick guide

The SNCF Voyageurs new flagship train - the TGV-M (its manufacturer Alstom also calls it Avelia Horizon) - launched with passengers today, 6 November 2026. Commercial services with the new train start 9 November 2026.You can find video of the inaugural service on YouTube and Peertube, and photos on Flickr too. And there are better close ups of a test train too. All Creative Commons licensed for re-use.The TGV-M (with M meaning modular) takes the standard double deck TGV Duplex design in service for more than two decades, and updates pretty much every detail. By shortening the power cars, the new trains have 9 rather than 8 carriages for the same train length, and even the bar carriage now has two floors. That allows 600 seats in a two class inOui layout, or 740 seats in an all economy OUIGO setup. While the top speed in service remains the same as previous TGVs - 320km/h - the train is supposed to be 20% more energy efficient.Passengers are going to appreciate a redesigned interior -…

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