scottish trans-pennine would go from lancaster to carlisle stopping at oxenholme lake district and penrith using the class CAF 397 Civity high speed train
Oxenholme and Carlisle are in England… What I think you mean is the section of the WCML that skirts the Lake District through Cumbria?
Um. Neither of those cities are even in Scotland. Include more details please and use the how to make a suggestion thing: https://forums.dovetailgames.com/threads/how-to-and-how-not-to-make-a-suggestion.72089/
True but the suggested section wouldn't leave England. But Liverpool/Manchester-Glasgow is something I'd love to see!