For the future, Norske Tog has a adopted a policy that its fleet will be as much as possible unified.
Between 17 and 23 December 2021, UL unveiled a mock-up of a single compartment of a future double-deck Lastochka.
On 20 December 2021, Stadler started final assembly of the Tyne and Wear Metro’s first new train.
Since July 2020, Strabag and Swietelsky-Slovakia carried out the modernisation of the OŽ line (Ozubnicová železnica, Rack and pinion railway) in Vysoké Tatry. On 23 July 2021, the Special Construction Office of the Slovak Ministry of the Interior issued a permit for "early use of the line - for test runs".