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Since December 7, 2022, the first Trains à Grande Vitesse (TGV) M test train, from Alstom’s Avelia Horizon range, has been at the Velim test site in the Czech Republic. This test campaign would last almost six months and is part of a long series of tests for this new generation of high-speed trains.
The prevalidation tests are first conducted on the Velim site. This is a closed circuit where traffic is less constrained than on the national railway networks and, above all, there is no interaction with commercial traffic. The objectives here are to validate the overall operation of the train, to remove the risks that appeared during the design phase in relation to the regulatory requirements, and to adjust the digital modeling accordingly. This phase takes place at speeds of up to 200 km/hr.
Prevalidation tests needed for the dynamic development of the TGV M would be carried out at Velim by Alstom with the support of the test agency of the “SNCF Voyageurs” Equipment Engineering Department.
Full Article: IEEE Vehicular Technology Magazine, Volume 18, Issue 2, June 2023 | 
 M test train, from Alstoms Avelia Horizon range, have commenced at the Velim test site in the Czech Republic. This test campaign will last almost six months, and is part of a long series of tests for this new generation of high-speed trains.*/);){kind=small}
