On 18 November 2021, Alexander Komissarov, Head of the RSFZhT, handed over to Alexey Moguchev, Technical Director of TVZ, a certificate of compliance with TR TS 001/2011 for the new Model 61-4525 restaurant car.
On 25 October 2021 the Commission for acceptance of the Model 61-4525 double-deck dining car, which took place at TVZ, decided to produce the introductory batch of 50 cars.
The eighth edition of the „Railway Salon“, originally known as EXPO 1520 and for the second time under the new name Pro//Motion.Expo (Russian: Pro//Dvizhenie.Ekspo), was held at the VNIIZhT Shcherbinka from 26 to 29 August 2021. Its organiser is now the Moscow-based transport publishing house Gudok („siren“ or „whistle“).
On 15 September 2021, the first 3rd class air-conditioned coaches supplied by TMH to ENR were officially inaugurated.