This is where we find out what membership of the EU was really worth – at least to Britain’s railways and rail users. Passenger numbers may fall, fares may increase, rail development projects may be cancelled or delayed and old trains may not be replaced. Already, the announcement of the winner of the Greater Anglia franchise has been delayed.
These are only the known unknowns. The law of unintended consequences applies to the Brexit decision, and the unknown unknowns will only become apparent as events unfold.