I know that Abellio and network rail Scotland are in an alliance, but wouldn't it be better to ask TS, who will fund the project, and NR who will deliver it? Scotrail's involvement will be as a consultee on the redesign, and in managing the inevitable disruption.
No new capital expenditure anywhere can be committed until Javid produces a UK budget early in the New Year.
No new capital expenditure anywhere can be committed until Javid produces a UK budget early in the New Year.