That's only Grayrigg and the southern Shap bank.
There are 3 other banks - northern Shap and both sides of Beattock (northern sides not as steep).
It certainly needs more dynamic loops.
Acton Grange-Wigan, and the slow routes through Preston and Carlisle also need improving.
The DfT announcement makes clear that anything is possible within the £96 billion IRP funding envelope.
Essentially the Rostherne-Golborne money can be spent elsewhere (unless NR and HS2 Ltd have overspent it elsewhere).
15 miles-worth of HSL credit won't go far on a Weaver Jn-Carstairs upgrade.
Intention to remove Golborne Link from HS2 Bill announced with alternative options to be explored.
www.gov.uk