The replacement of train fleets in Scotland, including the HSTs, is aligned with the phases of the Decarbonisation Action Plan, a link to which is provided here:- Rail Services Decarbonisation Action Plan | Transport Scotland This timescale is of course subject to continuous review in line with delivering the decarbonisation of the rail network in Scotland affordably and practicably and any other relevant developments, including recommendations arising from the Steering Groups considering the recommendations of, and subsequent analysis from the recent RAIB report into the Carmont accident. S6W...